/*---------------------------------------------------------------------------------------------------------------------------------------------------
 * @file irsnd.c
 *
 * Copyright (c) 2010-2013 Frank Meyer - frank(at)fli4l.de
 *
 * Supported mikrocontrollers:
 *
 * ATtiny87,  ATtiny167
 * ATtiny45,  ATtiny85
 * ATtiny44   ATtiny84
 * ATmega8,   ATmega16,  ATmega32
 * ATmega162
 * ATmega164, ATmega324, ATmega644,  ATmega644P, ATmega1284, ATmega1284P
 * ATmega88,  ATmega88P, ATmega168,  ATmega168P, ATmega328P
 *
 * $Id: irsnd.c,v 1.68 2013/03/12 12:49:59 fm Exp $
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *---------------------------------------------------------------------------------------------------------------------------------------------------
 */

#include "irsnd.h"
#include <stdio.h> /* for sprintf */

#ifndef ARM_STM32
#ifndef F_CPU
#  error F_CPU unkown
#endif
#endif

/*---------------------------------------------------------------------------------------------------------------------------------------------------
 *  ATtiny pin definition of OC0A / OC0B
 *  ATmega pin definition of OC2 / OC2A / OC2B / OC0 / OC0A / OC0B
 *---------------------------------------------------------------------------------------------------------------------------------------------------
 */
#if defined (__AVR_ATtiny44__) || defined (__AVR_ATtiny84__)        // ATtiny44/84 uses OC0A = PB2 or OC0B = PA7
#  if IRSND_OCx == IRSND_OC0A                                       // OC0A
#    define IRSND_PORT_LETTER                       B
#    define IRSND_BIT_NUMBER                        2
#  elif IRSND_OCx == IRSND_OC0B                                     // OC0B
#    define IRSND_PORT_LETTER                       A
#    define IRSND_BIT_NUMBER                        7
#  else
#    error Wrong value for IRSND_OCx, choose IRSND_OC0A or IRSND_OC0B in irsndconfig.h
#  endif // IRSND_OCx
#elif defined (__AVR_ATtiny45__) || defined (__AVR_ATtiny85__)      // ATtiny45/85 uses OC0A = PB0 or OC0B = PB1
#  if IRSND_OCx == IRSND_OC0A                                       // OC0A
#    define IRSND_PORT_LETTER                       B
#    define IRSND_BIT_NUMBER                        0
#  elif IRSND_OCx == IRSND_OC0B                                     // OC0B
#    define IRSND_PORT_LETTER                       B
#    define IRSND_BIT_NUMBER                        1
#  else
#    error Wrong value for IRSND_OCx, choose IRSND_OC0A or IRSND_OC0B in irsndconfig.h
#  endif // IRSND_OCx
#elif defined (__AVR_ATtiny87__) || defined (__AVR_ATtiny167__)     // ATtiny87/167 uses OC0A = PA2
#  if IRSND_OCx == IRSND_OC0A                                       // OC0A
#    define IRSND_PORT_LETTER                       A
#    define IRSND_BIT_NUMBER                        2
#  else
#    error Wrong value for IRSND_OCx, choose IRSND_OC0A in irsndconfig.h
#  endif // IRSND_OCx
#elif defined (__AVR_ATmega8__)                                     // ATmega8 uses only OC2 = PB3
#  if IRSND_OCx == IRSND_OC2                                        // OC0A
#    define IRSND_PORT_LETTER                       B
#    define IRSND_BIT_NUMBER                        3
#  else
#    error Wrong value for IRSND_OCx, choose IRSND_OC2 in irsndconfig.h
#  endif // IRSND_OCx
#elif defined (__AVR_ATmega16__) || defined (__AVR_ATmega32__)      // ATmega16|32 uses OC2 = PD7
#  if IRSND_OCx == IRSND_OC2                                        // OC2
#    define IRSND_PORT_LETTER                       D
#    define IRSND_BIT_NUMBER                        7
#  else
#    error Wrong value for IRSND_OCx, choose IRSND_OC2 in irsndconfig.h
#  endif // IRSND_OCx
#elif defined (__AVR_ATmega162__)                                   // ATmega162 uses OC2 = PB1 or OC0 = PB0
#  if IRSND_OCx == IRSND_OC2                                        // OC2
#    define IRSND_PORT_LETTER                       B
#    define IRSND_BIT_NUMBER                        1
#  elif IRSND_OCx == IRSND_OC0                                      // OC0
#    define IRSND_PORT_LETTER                       B
#    define IRSND_BIT_NUMBER                        0
#  else
#    error Wrong value for IRSND_OCx, choose IRSND_OC2 or IRSND_OC0 in irsndconfig.h
#  endif // IRSND_OCx
#elif defined (__AVR_ATmega164__)   \
   || defined (__AVR_ATmega324__)   \
   || defined (__AVR_ATmega644__)   \
   || defined (__AVR_ATmega644P__)  \
   || defined (__AVR_ATmega1284__)  \
   || defined (__AVR_ATmega1284P__)                                 // ATmega164|324|644|644P|1284 uses OC2A = PD7 or OC2B = PD6 or OC0A = PB3 or OC0B = PB4
#  if IRSND_OCx == IRSND_OC2A                                       // OC2A
#    define IRSND_PORT_LETTER                       D
#    define IRSND_BIT_NUMBER                        7
#  elif IRSND_OCx == IRSND_OC2B                                     // OC2B
#    define IRSND_PORT_LETTER                       D
#    define IRSND_BIT_NUMBER                        6
#  elif IRSND_OCx == IRSND_OC0A                                     // OC0A
#    define IRSND_PORT_LETTER                       B
#    define IRSND_BIT_NUMBER                        3
#  elif IRSND_OCx == IRSND_OC0B                                     // OC0B
#    define IRSND_PORT_LETTER                       B
#    define IRSND_BIT_NUMBER                        4
#  else
#    error Wrong value for IRSND_OCx, choose IRSND_OC2A, IRSND_OC2B, IRSND_OC0A, or IRSND_OC0B in irsndconfig.h
#  endif // IRSND_OCx
#elif defined (__AVR_ATmega48__)    \
   || defined (__AVR_ATmega88__)    \
   || defined (__AVR_ATmega88P__)   \
   || defined (__AVR_ATmega168__)   \
   || defined (__AVR_ATmega168P__)  \
   || defined (__AVR_ATmega328P__)                                  // ATmega48|88|168|168|328 uses OC2A = PB3 or OC2B = PD3 or OC0A = PD6 or OC0B = PD5
#  if IRSND_OCx == IRSND_OC2A                                       // OC2A
#    define IRSND_PORT_LETTER                       B
#    define IRSND_BIT_NUMBER                        3
#  elif IRSND_OCx == IRSND_OC2B                                     // OC2B
#    define IRSND_PORT_LETTER                       D
#    define IRSND_BIT_NUMBER                        3
#  elif IRSND_OCx == IRSND_OC0A                                     // OC0A
#    define IRSND_PORT_LETTER                       D
#    define IRSND_BIT_NUMBER                        6
#  elif IRSND_OCx == IRSND_OC0B                                     // OC0B
#    define IRSND_PORT_LETTER                       D
#    define IRSND_BIT_NUMBER                        5
#  else
#    error Wrong value for IRSND_OCx, choose IRSND_OC2A, IRSND_OC2B, IRSND_OC0A, or IRSND_OC0B in irsndconfig.h
#  endif // IRSND_OCx
#elif defined (__AVR_ATmega8515__)                                  // ATmega8515 uses OC0 = PB0 or OC1A = PD5 or OC1B = PE2
#  if IRSND_OCx == IRSND_OC0
#    define IRSND_PORT_LETTER                       B
#    define IRSND_BIT_NUMBER                        0
#  elif IRSND_OCx == IRSND_OC1A
#    define IRSND_PORT_LETTER                       D
#    define IRSND_BIT_NUMBER                        5
#  elif IRSND_OCx == IRSND_OC1B
#    define IRSND_PORT_LETTER                       E
#    define IRSND_BIT_NUMBER                        2
#  else
#    error Wrong value for IRSND_OCx, choose IRSND_OC0, IRSND_OC1A, or IRSND_OC1B in irsndconfig.h
#  endif // IRSND_OCx
#elif defined (PIC_C18)    //Microchip C18 compiler
//Nothing here to do here -> See irsndconfig.h
#elif defined (ARM_STM32)  //STM32
//Nothing here to do here -> See irsndconfig.h
#else
#  if !defined (unix) && !defined (WIN32)
#    error mikrocontroller not defined, please fill in definitions here.
#  endif // unix, WIN32
#endif // __AVR...
#if defined(ATMEL_AVR)
#  define _CONCAT(a,b)                              a##b
#  define CONCAT(a,b)                               _CONCAT(a,b)
#  define IRSND_PORT                                CONCAT(PORT, IRSND_PORT_LETTER)
#  define IRSND_DDR                                 CONCAT(DDR, IRSND_PORT_LETTER)
#  define IRSND_BIT                                 IRSND_BIT_NUMBER
#endif

#if IRSND_SUPPORT_NIKON_PROTOCOL == 1
typedef uint16_t IRSND_PAUSE_LEN;
#else
typedef uint8_t IRSND_PAUSE_LEN;
#endif

/*---------------------------------------------------------------------------------------------------------------------------------------------------
 *  IR timings
 *---------------------------------------------------------------------------------------------------------------------------------------------------
 */
#define SIRCS_START_BIT_PULSE_LEN               (uint8_t)(F_INTERRUPTS * SIRCS_START_BIT_PULSE_TIME + 0.5)
#define SIRCS_START_BIT_PAUSE_LEN               (uint8_t)(F_INTERRUPTS * SIRCS_START_BIT_PAUSE_TIME + 0.5)
#define SIRCS_1_PULSE_LEN                       (uint8_t)(F_INTERRUPTS * SIRCS_1_PULSE_TIME + 0.5)
#define SIRCS_0_PULSE_LEN                       (uint8_t)(F_INTERRUPTS * SIRCS_0_PULSE_TIME + 0.5)
#define SIRCS_PAUSE_LEN                         (uint8_t)(F_INTERRUPTS * SIRCS_PAUSE_TIME + 0.5)
#define SIRCS_AUTO_REPETITION_PAUSE_LEN         (uint16_t)(F_INTERRUPTS * SIRCS_AUTO_REPETITION_PAUSE_TIME + 0.5)           // use uint16_t!
#define SIRCS_FRAME_REPEAT_PAUSE_LEN            (uint16_t)(F_INTERRUPTS * SIRCS_FRAME_REPEAT_PAUSE_TIME + 0.5)              // use uint16_t!
#define NEC_START_BIT_PULSE_LEN                 (uint8_t)(F_INTERRUPTS * NEC_START_BIT_PULSE_TIME + 0.5)
#define NEC_START_BIT_PAUSE_LEN                 (uint8_t)(F_INTERRUPTS * NEC_START_BIT_PAUSE_TIME + 0.5)
#define NEC_REPEAT_START_BIT_PAUSE_LEN          (uint8_t)(F_INTERRUPTS * NEC_REPEAT_START_BIT_PAUSE_TIME + 0.5)
#define NEC_PULSE_LEN                           (uint8_t)(F_INTERRUPTS * NEC_PULSE_TIME + 0.5)
#define NEC_1_PAUSE_LEN                         (uint8_t)(F_INTERRUPTS * NEC_1_PAUSE_TIME + 0.5)
#define NEC_0_PAUSE_LEN                         (uint8_t)(F_INTERRUPTS * NEC_0_PAUSE_TIME + 0.5)
#define NEC_FRAME_REPEAT_PAUSE_LEN              (uint16_t)(F_INTERRUPTS * NEC_FRAME_REPEAT_PAUSE_TIME + 0.5)                // use uint16_t!
#define SAMSUNG_START_BIT_PULSE_LEN             (uint8_t)(F_INTERRUPTS * SAMSUNG_START_BIT_PULSE_TIME + 0.5)
#define SAMSUNG_START_BIT_PAUSE_LEN             (uint8_t)(F_INTERRUPTS * SAMSUNG_START_BIT_PAUSE_TIME + 0.5)
#define SAMSUNG_PULSE_LEN                       (uint8_t)(F_INTERRUPTS * SAMSUNG_PULSE_TIME + 0.5)
#define SAMSUNG_1_PAUSE_LEN                     (uint8_t)(F_INTERRUPTS * SAMSUNG_1_PAUSE_TIME + 0.5)
#define SAMSUNG_0_PAUSE_LEN                     (uint8_t)(F_INTERRUPTS * SAMSUNG_0_PAUSE_TIME + 0.5)
#define SAMSUNG_FRAME_REPEAT_PAUSE_LEN          (uint16_t)(F_INTERRUPTS * SAMSUNG_FRAME_REPEAT_PAUSE_TIME + 0.5)            // use uint16_t!
#define SAMSUNG32_AUTO_REPETITION_PAUSE_LEN     (uint16_t)(F_INTERRUPTS * SAMSUNG32_AUTO_REPETITION_PAUSE_TIME + 0.5)       // use uint16_t!
#define SAMSUNG32_FRAME_REPEAT_PAUSE_LEN        (uint16_t)(F_INTERRUPTS * SAMSUNG32_FRAME_REPEAT_PAUSE_TIME + 0.5)          // use uint16_t!
#define MATSUSHITA_START_BIT_PULSE_LEN          (uint8_t)(F_INTERRUPTS * MATSUSHITA_START_BIT_PULSE_TIME + 0.5)
#define MATSUSHITA_START_BIT_PAUSE_LEN          (uint8_t)(F_INTERRUPTS * MATSUSHITA_START_BIT_PAUSE_TIME + 0.5)
#define MATSUSHITA_PULSE_LEN                    (uint8_t)(F_INTERRUPTS * MATSUSHITA_PULSE_TIME + 0.5)
#define MATSUSHITA_1_PAUSE_LEN                  (uint8_t)(F_INTERRUPTS * MATSUSHITA_1_PAUSE_TIME + 0.5)
#define MATSUSHITA_0_PAUSE_LEN                  (uint8_t)(F_INTERRUPTS * MATSUSHITA_0_PAUSE_TIME + 0.5)
#define MATSUSHITA_FRAME_REPEAT_PAUSE_LEN       (uint16_t)(F_INTERRUPTS * MATSUSHITA_FRAME_REPEAT_PAUSE_TIME + 0.5)         // use uint16_t!
#define KASEIKYO_START_BIT_PULSE_LEN            (uint8_t)(F_INTERRUPTS * KASEIKYO_START_BIT_PULSE_TIME + 0.5)
#define KASEIKYO_START_BIT_PAUSE_LEN            (uint8_t)(F_INTERRUPTS * KASEIKYO_START_BIT_PAUSE_TIME + 0.5)
#define KASEIKYO_PULSE_LEN                      (uint8_t)(F_INTERRUPTS * KASEIKYO_PULSE_TIME + 0.5)
#define KASEIKYO_1_PAUSE_LEN                    (uint8_t)(F_INTERRUPTS * KASEIKYO_1_PAUSE_TIME + 0.5)
#define KASEIKYO_0_PAUSE_LEN                    (uint8_t)(F_INTERRUPTS * KASEIKYO_0_PAUSE_TIME + 0.5)
#define KASEIKYO_AUTO_REPETITION_PAUSE_LEN      (uint16_t)(F_INTERRUPTS * KASEIKYO_AUTO_REPETITION_PAUSE_TIME + 0.5)        // use uint16_t!
#define KASEIKYO_FRAME_REPEAT_PAUSE_LEN         (uint16_t)(F_INTERRUPTS * KASEIKYO_FRAME_REPEAT_PAUSE_TIME + 0.5)           // use uint16_t!
#define RECS80_START_BIT_PULSE_LEN              (uint8_t)(F_INTERRUPTS * RECS80_START_BIT_PULSE_TIME + 0.5)
#define RECS80_START_BIT_PAUSE_LEN              (uint8_t)(F_INTERRUPTS * RECS80_START_BIT_PAUSE_TIME + 0.5)
#define RECS80_PULSE_LEN                        (uint8_t)(F_INTERRUPTS * RECS80_PULSE_TIME + 0.5)
#define RECS80_1_PAUSE_LEN                      (uint8_t)(F_INTERRUPTS * RECS80_1_PAUSE_TIME + 0.5)
#define RECS80_0_PAUSE_LEN                      (uint8_t)(F_INTERRUPTS * RECS80_0_PAUSE_TIME + 0.5)
#define RECS80_FRAME_REPEAT_PAUSE_LEN           (uint16_t)(F_INTERRUPTS * RECS80_FRAME_REPEAT_PAUSE_TIME + 0.5)             // use uint16_t!
#define RC5_START_BIT_LEN                       (uint8_t)(F_INTERRUPTS * RC5_BIT_TIME + 0.5)
#define RC5_BIT_LEN                             (uint8_t)(F_INTERRUPTS * RC5_BIT_TIME + 0.5)
#define RC5_FRAME_REPEAT_PAUSE_LEN              (uint16_t)(F_INTERRUPTS * RC5_FRAME_REPEAT_PAUSE_TIME + 0.5)                // use uint16_t!
#define RC6_START_BIT_PULSE_LEN                 (uint8_t)(F_INTERRUPTS * RC6_START_BIT_PULSE_TIME + 0.5)
#define RC6_START_BIT_PAUSE_LEN                 (uint8_t)(F_INTERRUPTS * RC6_START_BIT_PAUSE_TIME + 0.5)
#define RC6_TOGGLE_BIT_LEN                      (uint8_t)(F_INTERRUPTS * RC6_TOGGLE_BIT_TIME + 0.5)
#define RC6_BIT_LEN                             (uint8_t)(F_INTERRUPTS * RC6_BIT_TIME + 0.5)
#define RC6_FRAME_REPEAT_PAUSE_LEN              (uint16_t)(F_INTERRUPTS * RC6_FRAME_REPEAT_PAUSE_TIME + 0.5)                // use uint16_t!
#define DENON_PULSE_LEN                         (uint8_t)(F_INTERRUPTS * DENON_PULSE_TIME + 0.5)
#define DENON_1_PAUSE_LEN                       (uint8_t)(F_INTERRUPTS * DENON_1_PAUSE_TIME + 0.5)
#define DENON_0_PAUSE_LEN                       (uint8_t)(F_INTERRUPTS * DENON_0_PAUSE_TIME + 0.5)
#define DENON_AUTO_REPETITION_PAUSE_LEN         (uint16_t)(F_INTERRUPTS * DENON_AUTO_REPETITION_PAUSE_TIME + 0.5)           // use uint16_t!
#define DENON_FRAME_REPEAT_PAUSE_LEN            (uint16_t)(F_INTERRUPTS * DENON_FRAME_REPEAT_PAUSE_TIME + 0.5)              // use uint16_t!
#define THOMSON_PULSE_LEN                       (uint8_t)(F_INTERRUPTS * THOMSON_PULSE_TIME + 0.5)
#define THOMSON_1_PAUSE_LEN                     (uint8_t)(F_INTERRUPTS * THOMSON_1_PAUSE_TIME + 0.5)
#define THOMSON_0_PAUSE_LEN                     (uint8_t)(F_INTERRUPTS * THOMSON_0_PAUSE_TIME + 0.5)
#define THOMSON_AUTO_REPETITION_PAUSE_LEN       (uint16_t)(F_INTERRUPTS * THOMSON_AUTO_REPETITION_PAUSE_TIME + 0.5)         // use uint16_t!
#define THOMSON_FRAME_REPEAT_PAUSE_LEN          (uint16_t)(F_INTERRUPTS * THOMSON_FRAME_REPEAT_PAUSE_TIME + 0.5)            // use uint16_t!
#define RECS80EXT_START_BIT_PULSE_LEN           (uint8_t)(F_INTERRUPTS * RECS80EXT_START_BIT_PULSE_TIME + 0.5)
#define RECS80EXT_START_BIT_PAUSE_LEN           (uint8_t)(F_INTERRUPTS * RECS80EXT_START_BIT_PAUSE_TIME + 0.5)
#define RECS80EXT_PULSE_LEN                     (uint8_t)(F_INTERRUPTS * RECS80EXT_PULSE_TIME + 0.5)
#define RECS80EXT_1_PAUSE_LEN                   (uint8_t)(F_INTERRUPTS * RECS80EXT_1_PAUSE_TIME + 0.5)
#define RECS80EXT_0_PAUSE_LEN                   (uint8_t)(F_INTERRUPTS * RECS80EXT_0_PAUSE_TIME + 0.5)
#define RECS80EXT_FRAME_REPEAT_PAUSE_LEN        (uint16_t)(F_INTERRUPTS * RECS80EXT_FRAME_REPEAT_PAUSE_TIME + 0.5)          // use uint16_t!
#define NUBERT_START_BIT_PULSE_LEN              (uint8_t)(F_INTERRUPTS * NUBERT_START_BIT_PULSE_TIME + 0.5)
#define NUBERT_START_BIT_PAUSE_LEN              (uint8_t)(F_INTERRUPTS * NUBERT_START_BIT_PAUSE_TIME + 0.5)
#define NUBERT_1_PULSE_LEN                      (uint8_t)(F_INTERRUPTS * NUBERT_1_PULSE_TIME + 0.5)
#define NUBERT_1_PAUSE_LEN                      (uint8_t)(F_INTERRUPTS * NUBERT_1_PAUSE_TIME + 0.5)
#define NUBERT_0_PULSE_LEN                      (uint8_t)(F_INTERRUPTS * NUBERT_0_PULSE_TIME + 0.5)
#define NUBERT_0_PAUSE_LEN                      (uint8_t)(F_INTERRUPTS * NUBERT_0_PAUSE_TIME + 0.5)
#define NUBERT_AUTO_REPETITION_PAUSE_LEN        (uint16_t)(F_INTERRUPTS * NUBERT_AUTO_REPETITION_PAUSE_TIME + 0.5)          // use uint16_t!
#define NUBERT_FRAME_REPEAT_PAUSE_LEN           (uint16_t)(F_INTERRUPTS * NUBERT_FRAME_REPEAT_PAUSE_TIME + 0.5)             // use uint16_t!
#define BANG_OLUFSEN_START_BIT1_PULSE_LEN       (uint8_t)(F_INTERRUPTS * BANG_OLUFSEN_START_BIT1_PULSE_TIME + 0.5)
#define BANG_OLUFSEN_START_BIT1_PAUSE_LEN       (uint8_t)(F_INTERRUPTS * BANG_OLUFSEN_START_BIT1_PAUSE_TIME + 0.5)
#define BANG_OLUFSEN_START_BIT2_PULSE_LEN       (uint8_t)(F_INTERRUPTS * BANG_OLUFSEN_START_BIT2_PULSE_TIME + 0.5)
#define BANG_OLUFSEN_START_BIT2_PAUSE_LEN       (uint8_t)(F_INTERRUPTS * BANG_OLUFSEN_START_BIT2_PAUSE_TIME + 0.5)
#define BANG_OLUFSEN_START_BIT3_PULSE_LEN       (uint8_t)(F_INTERRUPTS * BANG_OLUFSEN_START_BIT3_PULSE_TIME + 0.5)
#define BANG_OLUFSEN_START_BIT3_PAUSE_LEN       (uint8_t)(F_INTERRUPTS * BANG_OLUFSEN_START_BIT3_PAUSE_TIME + 0.5)
#define BANG_OLUFSEN_PULSE_LEN                  (uint8_t)(F_INTERRUPTS * BANG_OLUFSEN_PULSE_TIME + 0.5)
#define BANG_OLUFSEN_1_PAUSE_LEN                (uint8_t)(F_INTERRUPTS * BANG_OLUFSEN_1_PAUSE_TIME + 0.5)
#define BANG_OLUFSEN_0_PAUSE_LEN                (uint8_t)(F_INTERRUPTS * BANG_OLUFSEN_0_PAUSE_TIME + 0.5)
#define BANG_OLUFSEN_R_PAUSE_LEN                (uint8_t)(F_INTERRUPTS * BANG_OLUFSEN_R_PAUSE_TIME + 0.5)
#define BANG_OLUFSEN_TRAILER_BIT_PAUSE_LEN      (uint8_t)(F_INTERRUPTS * BANG_OLUFSEN_TRAILER_BIT_PAUSE_TIME + 0.5)
#define BANG_OLUFSEN_FRAME_REPEAT_PAUSE_LEN     (uint16_t)(F_INTERRUPTS * BANG_OLUFSEN_FRAME_REPEAT_PAUSE_TIME + 0.5)       // use uint16_t!
#define GRUNDIG_NOKIA_IR60_PRE_PAUSE_LEN        (uint8_t)(F_INTERRUPTS * GRUNDIG_NOKIA_IR60_PRE_PAUSE_TIME + 0.5)
#define GRUNDIG_NOKIA_IR60_BIT_LEN              (uint8_t)(F_INTERRUPTS * GRUNDIG_NOKIA_IR60_BIT_TIME + 0.5)
#define GRUNDIG_AUTO_REPETITION_PAUSE_LEN       (uint16_t)(F_INTERRUPTS * GRUNDIG_AUTO_REPETITION_PAUSE_TIME + 0.5)         // use uint16_t!
#define NOKIA_AUTO_REPETITION_PAUSE_LEN         (uint16_t)(F_INTERRUPTS * NOKIA_AUTO_REPETITION_PAUSE_TIME + 0.5)           // use uint16_t!
#define GRUNDIG_NOKIA_IR60_FRAME_REPEAT_PAUSE_LEN (uint16_t)(F_INTERRUPTS * GRUNDIG_NOKIA_IR60_FRAME_REPEAT_PAUSE_TIME + 0.5)   // use uint16_t!
#define IR60_AUTO_REPETITION_PAUSE_LEN          (uint16_t)(F_INTERRUPTS * IR60_AUTO_REPETITION_PAUSE_TIME + 0.5)            // use uint16_t!
#define SIEMENS_START_BIT_LEN                   (uint8_t)(F_INTERRUPTS * SIEMENS_OR_RUWIDO_START_BIT_PULSE_TIME + 0.5)
#define SIEMENS_BIT_LEN                         (uint8_t)(F_INTERRUPTS * SIEMENS_OR_RUWIDO_BIT_PULSE_TIME + 0.5)
#define SIEMENS_FRAME_REPEAT_PAUSE_LEN          (uint16_t)(F_INTERRUPTS * SIEMENS_OR_RUWIDO_FRAME_REPEAT_PAUSE_TIME + 0.5)  // use uint16_t!
#ifdef PIC_C18                                  // PIC C18
#  define IRSND_FREQ_TYPE                       uint8_t
#  define IRSND_FREQ_30_KHZ                     (IRSND_FREQ_TYPE) ((F_CPU / 30000  / 2 / Pre_Scaler / PIC_Scaler) - 1)
#  define IRSND_FREQ_32_KHZ                     (IRSND_FREQ_TYPE) ((F_CPU / 32000  / 2 / Pre_Scaler / PIC_Scaler) - 1)
#  define IRSND_FREQ_36_KHZ                     (IRSND_FREQ_TYPE) ((F_CPU / 36000  / 2 / Pre_Scaler / PIC_Scaler) - 1)
#  define IRSND_FREQ_38_KHZ                     (IRSND_FREQ_TYPE) ((F_CPU / 38000  / 2 / Pre_Scaler / PIC_Scaler) - 1)
#  define IRSND_FREQ_40_KHZ                     (IRSND_FREQ_TYPE) ((F_CPU / 40000  / 2 / Pre_Scaler / PIC_Scaler) - 1)
#  define IRSND_FREQ_56_KHZ                     (IRSND_FREQ_TYPE) ((F_CPU / 56000  / 2 / Pre_Scaler / PIC_Scaler) - 1)
#  define IRSND_FREQ_455_KHZ                    (IRSND_FREQ_TYPE) ((F_CPU / 455000 / 2 / Pre_Scaler / PIC_Scaler) - 1)
#elif defined (ARM_STM32)                       // STM32
#  define IRSND_FREQ_TYPE                       uint32_t
#  define IRSND_FREQ_30_KHZ                     (IRSND_FREQ_TYPE) (30000)
#  define IRSND_FREQ_32_KHZ                     (IRSND_FREQ_TYPE) (32000)
#  define IRSND_FREQ_36_KHZ                     (IRSND_FREQ_TYPE) (36000)
#  define IRSND_FREQ_38_KHZ                     (IRSND_FREQ_TYPE) (38000)
#  define IRSND_FREQ_40_KHZ                     (IRSND_FREQ_TYPE) (40000)
#  define IRSND_FREQ_56_KHZ                     (IRSND_FREQ_TYPE) (56000)
#  define IRSND_FREQ_455_KHZ                    (IRSND_FREQ_TYPE) (455000)
#else                                           // AVR
#  if F_CPU >= 16000000L
#    define AVR_PRESCALER                       8
#  else
#    define AVR_PRESCALER                       1
#  endif
#  define IRSND_FREQ_TYPE                       uint8_t
#  define IRSND_FREQ_30_KHZ                     (IRSND_FREQ_TYPE) ((F_CPU / 30000 / AVR_PRESCALER / 2) - 1)
#  define IRSND_FREQ_32_KHZ                     (IRSND_FREQ_TYPE) ((F_CPU / 32000 / AVR_PRESCALER / 2) - 1)
#  define IRSND_FREQ_36_KHZ                     (IRSND_FREQ_TYPE) ((F_CPU / 36000 / AVR_PRESCALER / 2) - 1)
#  define IRSND_FREQ_38_KHZ                     (IRSND_FREQ_TYPE) ((F_CPU / 38000 / AVR_PRESCALER / 2) - 1)
#  define IRSND_FREQ_40_KHZ                     (IRSND_FREQ_TYPE) ((F_CPU / 40000 / AVR_PRESCALER / 2) - 1)
#  define IRSND_FREQ_56_KHZ                     (IRSND_FREQ_TYPE) ((F_CPU / 56000 / AVR_PRESCALER / 2) - 1)
#  define IRSND_FREQ_455_KHZ                    (IRSND_FREQ_TYPE) ((F_CPU / 455000 / AVR_PRESCALER / 2) - 1)
#endif

#define FDC_START_BIT_PULSE_LEN                 (uint8_t)(F_INTERRUPTS * FDC_START_BIT_PULSE_TIME + 0.5)
#define FDC_START_BIT_PAUSE_LEN                 (uint8_t)(F_INTERRUPTS * FDC_START_BIT_PAUSE_TIME + 0.5)
#define FDC_PULSE_LEN                           (uint8_t)(F_INTERRUPTS * FDC_PULSE_TIME + 0.5)
#define FDC_1_PAUSE_LEN                         (uint8_t)(F_INTERRUPTS * FDC_1_PAUSE_TIME + 0.5)
#define FDC_0_PAUSE_LEN                         (uint8_t)(F_INTERRUPTS * FDC_0_PAUSE_TIME + 0.5)
#define FDC_FRAME_REPEAT_PAUSE_LEN              (uint16_t)(F_INTERRUPTS * FDC_FRAME_REPEAT_PAUSE_TIME + 0.5)                // use uint16_t!
#define RCCAR_START_BIT_PULSE_LEN               (uint8_t)(F_INTERRUPTS * RCCAR_START_BIT_PULSE_TIME + 0.5)
#define RCCAR_START_BIT_PAUSE_LEN               (uint8_t)(F_INTERRUPTS * RCCAR_START_BIT_PAUSE_TIME + 0.5)
#define RCCAR_PULSE_LEN                         (uint8_t)(F_INTERRUPTS * RCCAR_PULSE_TIME + 0.5)
#define RCCAR_1_PAUSE_LEN                       (uint8_t)(F_INTERRUPTS * RCCAR_1_PAUSE_TIME + 0.5)
#define RCCAR_0_PAUSE_LEN                       (uint8_t)(F_INTERRUPTS * RCCAR_0_PAUSE_TIME + 0.5)
#define RCCAR_FRAME_REPEAT_PAUSE_LEN            (uint16_t)(F_INTERRUPTS * RCCAR_FRAME_REPEAT_PAUSE_TIME + 0.5)              // use uint16_t!
#define JVC_START_BIT_PULSE_LEN                 (uint8_t)(F_INTERRUPTS * JVC_START_BIT_PULSE_TIME + 0.5)
#define JVC_START_BIT_PAUSE_LEN                 (uint8_t)(F_INTERRUPTS * JVC_START_BIT_PAUSE_TIME + 0.5)
#define JVC_REPEAT_START_BIT_PAUSE_LEN          (uint8_t)(F_INTERRUPTS * JVC_REPEAT_START_BIT_PAUSE_TIME + 0.5)
#define JVC_PULSE_LEN                           (uint8_t)(F_INTERRUPTS * JVC_PULSE_TIME + 0.5)
#define JVC_1_PAUSE_LEN                         (uint8_t)(F_INTERRUPTS * JVC_1_PAUSE_TIME + 0.5)
#define JVC_0_PAUSE_LEN                         (uint8_t)(F_INTERRUPTS * JVC_0_PAUSE_TIME + 0.5)
#define JVC_FRAME_REPEAT_PAUSE_LEN              (uint16_t)(F_INTERRUPTS * JVC_FRAME_REPEAT_PAUSE_TIME + 0.5)                // use uint16_t!
#define NIKON_START_BIT_PULSE_LEN               (uint8_t)(F_INTERRUPTS * NIKON_START_BIT_PULSE_TIME + 0.5)
#define NIKON_START_BIT_PAUSE_LEN               (uint16_t)(F_INTERRUPTS * NIKON_START_BIT_PAUSE_TIME + 0.5)
#define NIKON_REPEAT_START_BIT_PAUSE_LEN        (uint8_t)(F_INTERRUPTS * NIKON_REPEAT_START_BIT_PAUSE_TIME + 0.5)
#define NIKON_PULSE_LEN                         (uint8_t)(F_INTERRUPTS * NIKON_PULSE_TIME + 0.5)
#define NIKON_1_PAUSE_LEN                       (uint8_t)(F_INTERRUPTS * NIKON_1_PAUSE_TIME + 0.5)
#define NIKON_0_PAUSE_LEN                       (uint8_t)(F_INTERRUPTS * NIKON_0_PAUSE_TIME + 0.5)
#define NIKON_FRAME_REPEAT_PAUSE_LEN            (uint16_t)(F_INTERRUPTS * NIKON_FRAME_REPEAT_PAUSE_TIME + 0.5)              // use uint16_t!
#define LEGO_START_BIT_PULSE_LEN                (uint8_t)(F_INTERRUPTS * LEGO_START_BIT_PULSE_TIME + 0.5)
#define LEGO_START_BIT_PAUSE_LEN                (uint8_t)(F_INTERRUPTS * LEGO_START_BIT_PAUSE_TIME + 0.5)
#define LEGO_REPEAT_START_BIT_PAUSE_LEN         (uint8_t)(F_INTERRUPTS * LEGO_REPEAT_START_BIT_PAUSE_TIME + 0.5)
#define LEGO_PULSE_LEN                          (uint8_t)(F_INTERRUPTS * LEGO_PULSE_TIME + 0.5)
#define LEGO_1_PAUSE_LEN                        (uint8_t)(F_INTERRUPTS * LEGO_1_PAUSE_TIME + 0.5)
#define LEGO_0_PAUSE_LEN                        (uint8_t)(F_INTERRUPTS * LEGO_0_PAUSE_TIME + 0.5)
#define LEGO_FRAME_REPEAT_PAUSE_LEN             (uint16_t)(F_INTERRUPTS * LEGO_FRAME_REPEAT_PAUSE_TIME + 0.5)               // use uint16_t!
#define A1TVBOX_START_BIT_PULSE_LEN             (uint8_t)(F_INTERRUPTS * A1TVBOX_START_BIT_PULSE_TIME + 0.5)
#define A1TVBOX_START_BIT_PAUSE_LEN             (uint8_t)(F_INTERRUPTS * A1TVBOX_START_BIT_PAUSE_TIME + 0.5)
#define A1TVBOX_BIT_PULSE_LEN                   (uint8_t)(F_INTERRUPTS * A1TVBOX_BIT_PULSE_TIME + 0.5)
#define A1TVBOX_BIT_PAUSE_LEN                   (uint8_t)(F_INTERRUPTS * A1TVBOX_BIT_PAUSE_TIME + 0.5)
#define A1TVBOX_FRAME_REPEAT_PAUSE_LEN          (uint16_t)(F_INTERRUPTS * A1TVBOX_FRAME_REPEAT_PAUSE_TIME + 0.5)            // use uint16_t!
#define A1TVBOX_FRAME_REPEAT_PAUSE_LEN          (uint16_t)(F_INTERRUPTS * A1TVBOX_FRAME_REPEAT_PAUSE_TIME + 0.5)            // use uint16_t!
#define IHELICOPTER_START_BIT_PULSE_LEN         (uint8_t)(F_INTERRUPTS * IHELICOPTER_START_BIT_PULSE_TIME + 0.5)
#define IHELICOPTER_START_BIT_PAUSE_LEN         (uint8_t)(F_INTERRUPTS * IHELICOPTER_START_BIT_PAUSE_TIME + 0.5)
#define IHELICOPTER_1_PULSE_LEN                 (uint8_t)(F_INTERRUPTS * IHELICOPTER_1_PULSE_TIME + 0.5)
#define IHELICOPTER_1_PAUSE_LEN                 (uint8_t)(F_INTERRUPTS * IHELICOPTER_1_PAUSE_TIME + 0.5)
#define IHELICOPTER_0_PULSE_LEN                 (uint8_t)(F_INTERRUPTS * IHELICOPTER_0_PULSE_TIME + 0.5)
#define IHELICOPTER_0_PAUSE_LEN                 (uint8_t)(F_INTERRUPTS * IHELICOPTER_0_PAUSE_TIME + 0.5)
#define IHELICOPTER_FRAME_REPEAT_PAUSE_LEN      (uint16_t)(F_INTERRUPTS * IHELICOPTER_FRAME_REPEAT_PAUSE_TIME + 0.5)            // use uint16_t!
#define IHELICOPTER_FRAME_REPEAT_PAUSE_LEN      (uint16_t)(F_INTERRUPTS * IHELICOPTER_FRAME_REPEAT_PAUSE_TIME + 0.5)            // use uint16_t!
static volatile uint8_t irsnd_busy = 0;
static volatile uint8_t irsnd_protocol = 0;
static volatile uint8_t irsnd_buffer[6] = { 0 }; // bits are sent from MSB -> LSB and Buffer[0] to buffer[n]
static volatile uint8_t irsnd_repeat = 0;
static volatile uint8_t irsnd_is_on = FALSE;

#if IRSND_USE_CALLBACK == 1
static void (*irsnd_callback_ptr) (uint8_t);
#endif // IRSND_USE_CALLBACK == 1
/*---------------------------------------------------------------------------------------------------------------------------------------------------
 *  Switch PWM on
 *---------------------------------------------------------------------------------------------------------------------------------------------------
 */
static void irsnd_on(void) {
	if (!irsnd_is_on) {
#ifndef DEBUG
#  if defined(PIC_C18)                                  // PIC C18
		IRSND_PIN = 0; // output mode -> enable PWM outout pin (0=PWM on, 1=PWM off)
#  elif defined (ARM_STM32)                             // STM32
		TIM_SelectOCxM(IRSND_TIMER, IRSND_TIMER_CHANNEL, TIM_OCMode_PWM1); // enable PWM as OC-mode
		TIM_CCxCmd(IRSND_TIMER, IRSND_TIMER_CHANNEL, TIM_CCx_Enable); // enable OC-output (is being disabled in TIM_SelectOCxM())
		TIM_Cmd(IRSND_TIMER, ENABLE); // enable counter
#  else                                                 // AVR
#    if   IRSND_OCx == IRSND_OC2                        // use OC2
				TCCR2 |= (1<<COM20)|(1<<WGM21);// toggle OC2 on compare match,  clear Timer 2 at compare match OCR2
#    elif IRSND_OCx == IRSND_OC2A                       // use OC2A
				TCCR2A |= (1<<COM2A0)|(1<<WGM21);// toggle OC2A on compare match, clear Timer 2 at compare match OCR2A
#    elif IRSND_OCx == IRSND_OC2B                       // use OC2B
				TCCR2A |= (1<<COM2B0)|(1<<WGM21);// toggle OC2B on compare match, clear Timer 2 at compare match OCR2A (yes: A, not B!)
#    elif IRSND_OCx == IRSND_OC0                        // use OC0
				TCCR0 |= (1<<COM00)|(1<<WGM01);// toggle OC0 on compare match,  clear Timer 0 at compare match OCR0
#    elif IRSND_OCx == IRSND_OC0A                       // use OC0A
				TCCR0A |= (1<<COM0A0)|(1<<WGM01);// toggle OC0A on compare match, clear Timer 0 at compare match OCR0A
#    elif IRSND_OCx == IRSND_OC0B                       // use OC0B
				TCCR0A |= (1<<COM0B0)|(1<<WGM01);// toggle OC0B on compare match, clear Timer 0 at compare match OCR0A (yes: A, not B!)
#    else
#      error wrong value of IRSND_OCx
#    endif // IRSND_OCx
#  endif // C18
#endif // DEBUG
#if IRSND_USE_CALLBACK == 1
				if (irsnd_callback_ptr)
				{
					(*irsnd_callback_ptr) (TRUE);
				}
#endif // IRSND_USE_CALLBACK == 1
		irsnd_is_on = TRUE;
	}
}

/*---------------------------------------------------------------------------------------------------------------------------------------------------
 *  Switch PWM off
 *  @details  Switches PWM off
 *---------------------------------------------------------------------------------------------------------------------------------------------------
 */
static void irsnd_off(void) {
	if (irsnd_is_on) {
#ifndef DEBUG

#  if defined(PIC_C18)                                  // PIC C18
		IRSND_PIN = 1; //input mode -> disbale PWM output pin (0=PWM on, 1=PWM off)
#  elif defined (ARM_STM32)                             // STM32
		TIM_Cmd(IRSND_TIMER, DISABLE); // disable counter
		TIM_SelectOCxM(IRSND_TIMER, IRSND_TIMER_CHANNEL, TIM_ForcedAction_InActive); // force output inactive
		TIM_CCxCmd(IRSND_TIMER, IRSND_TIMER_CHANNEL, TIM_CCx_Enable); // enable OC-output (is being disabled in TIM_SelectOCxM())
		TIM_SetCounter(IRSND_TIMER, 0); // reset counter value
#  else //AVR
#    if   IRSND_OCx == IRSND_OC2                        // use OC2
				TCCR2 &= ~(1<<COM20);// normal port operation, OC2 disconnected.
#    elif IRSND_OCx == IRSND_OC2A                       // use OC2A
				TCCR2A &= ~(1<<COM2A0);// normal port operation, OC2A disconnected.
#    elif IRSND_OCx == IRSND_OC2B                       // use OC2B
				TCCR2A &= ~(1<<COM2B0);// normal port operation, OC2B disconnected.
#    elif IRSND_OCx == IRSND_OC0                        // use OC0
				TCCR0 &= ~(1<<COM00);// normal port operation, OC0 disconnected.
#    elif IRSND_OCx == IRSND_OC0A                       // use OC0A
				TCCR0A &= ~(1<<COM0A0);// normal port operation, OC0A disconnected.
#    elif IRSND_OCx == IRSND_OC0B                       // use OC0B
				TCCR0A &= ~(1<<COM0B0);// normal port operation, OC0B disconnected.
#    else
#      error wrong value of IRSND_OCx
#    endif // IRSND_OCx
				IRSND_PORT &= ~(1<<IRSND_BIT); // set IRSND_BIT to low
#  endif //C18
#endif // DEBUG
#if IRSND_USE_CALLBACK == 1
				if (irsnd_callback_ptr)
				{
					(*irsnd_callback_ptr) (FALSE);
				}
#endif // IRSND_USE_CALLBACK == 1
		irsnd_is_on = FALSE;
	}
}

/*---------------------------------------------------------------------------------------------------------------------------------------------------
 *  Set PWM frequency
 *  @details  sets pwm frequency
 *---------------------------------------------------------------------------------------------------------------------------------------------------
 */
static void irsnd_set_freq(IRSND_FREQ_TYPE freq) {
#ifndef DEBUG
#  if defined(PIC_C18)                                                                      // PIC C18
	OpenPWM(freq);
	SetDCPWM( (uint16_t) freq * 2); // freq*2 = Duty cycles 50%
#  elif defined (ARM_STM32)                                                                 // STM32
	static uint32_t TimeBaseFreq = 0;

	if (TimeBaseFreq == 0) {
		RCC_ClocksTypeDef RCC_ClocksStructure;
		/* Get system clocks and store timer clock in variable */
		RCC_GetClocksFreq(&RCC_ClocksStructure);
#    if ((IRSND_TIMER_NUMBER >= 2) && (IRSND_TIMER_NUMBER <= 5)) || ((IRSND_TIMER_NUMBER >= 12) && (IRSND_TIMER_NUMBER <= 14))
		if (RCC_ClocksStructure.PCLK1_Frequency == RCC_ClocksStructure.HCLK_Frequency)
		{
			TimeBaseFreq = RCC_ClocksStructure.PCLK1_Frequency;
		}
		else
		{
			TimeBaseFreq = RCC_ClocksStructure.PCLK1_Frequency * 2;
		}
#    else
		if (RCC_ClocksStructure.PCLK2_Frequency == RCC_ClocksStructure.HCLK_Frequency) {
			TimeBaseFreq = RCC_ClocksStructure.PCLK2_Frequency;
		} else {
			TimeBaseFreq = RCC_ClocksStructure.PCLK2_Frequency * 2;
		}
#    endif
	}

	freq = TimeBaseFreq / freq;

	/* Set frequency */
	TIM_SetAutoreload(IRSND_TIMER, freq - 1);
	/* Set duty cycle */
	TIM_SetCompare1(IRSND_TIMER, (freq + 1) / 2);
#  else                                                                                     // AVR
#    if IRSND_OCx == IRSND_OC2
	OCR2 = freq; // use register OCR2 for OC2
#    elif IRSND_OCx == IRSND_OC2A                                                           // use OC2A
	OCR2A = freq;// use register OCR2A for OC2A and OC2B!
#    elif IRSND_OCx == IRSND_OC2B                                                           // use OC2B
	OCR2A = freq;// use register OCR2A for OC2A and OC2B!
#    elif IRSND_OCx == IRSND_OC0                                                            // use OC0
	OCR0 = freq;// use register OCR2 for OC2
#    elif IRSND_OCx == IRSND_OC0A                                                           // use OC0A
	OCR0A = freq;// use register OCR0A for OC0A and OC0B!
#    elif IRSND_OCx == IRSND_OC0B                                                           // use OC0B
	OCR0A = freq;// use register OCR0A for OC0A and OC0B!
#    else
#      error wrong value of IRSND_OCx
#    endif
#  endif //PIC_C18
#endif // DEBUG
}

/*---------------------------------------------------------------------------------------------------------------------------------------------------
 *  Initialize the PWM
 *  @details  Configures 0CR0A, 0CR0B and 0CR2B as PWM channels
 *---------------------------------------------------------------------------------------------------------------------------------------------------
 */
void irsnd_init(void) {
#ifndef DEBUG
#  if defined(PIC_C18)                                                      // PIC C18
	OpenTimer;
	irsnd_set_freq (IRSND_FREQ_36_KHZ); //default frequency
	IRSND_PIN = 1;//default PWM output pin off (0=PWM on, 1=PWM off)
#  elif defined (ARM_STM32)                                                 // STM32
	GPIO_InitTypeDef GPIO_InitStructure;
	TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
	TIM_OCInitTypeDef TIM_OCInitStructure;

	/* GPIOx clock enable */
#    if defined (ARM_STM32L1XX)
	RCC_AHBPeriphClockCmd(IRSND_PORT_RCC, ENABLE);
#    elif defined (ARM_STM32F10X)
	RCC_APB2PeriphClockCmd(IRSND_PORT_RCC, ENABLE);
#    elif defined (ARM_STM32F4XX)
	RCC_AHB1PeriphClockCmd(IRSND_PORT_RCC, ENABLE);
#    endif

	/* GPIO Configuration */
	GPIO_InitStructure.GPIO_Pin = IRSND_BIT;
#    if defined (ARM_STM32L1XX) || defined (ARM_STM32F4XX)
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
	GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
	GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
	GPIO_Init(IRSND_PORT, &GPIO_InitStructure);
	GPIO_PinAFConfig(IRSND_PORT, (uint8_t)IRSND_BIT_NUMBER, IRSND_GPIO_AF);
#    elif defined (ARM_STM32F30X)
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
	GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
	GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
	GPIO_Init(IRSND_PORT, &GPIO_InitStructure);
	GPIO_PinAFConfig(IRSND_PORT, (uint8_t) IRSND_BIT_NUMBER, IRSND_GPIO_AF);
#    elif defined (ARM_STM32F10X)
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
	GPIO_Init(IRSND_PORT, &GPIO_InitStructure);
	GPIO_PinRemapConfig(, ENABLE);
#    endif

	/* TIMx clock enable */
#    if ((IRSND_TIMER_NUMBER >= 2) && (IRSND_TIMER_NUMBER <= 5)) || ((IRSND_TIMER_NUMBER >= 12) && (IRSND_TIMER_NUMBER <= 14))
	RCC_APB1PeriphClockCmd(IRSND_TIMER_RCC, ENABLE);
#    else
	RCC_APB2PeriphClockCmd(IRSND_TIMER_RCC, ENABLE);
#    endif

	/* Time base configuration */
	TIM_TimeBaseStructInit(&TIM_TimeBaseStructure); // initialize all values
	//TIM_TimeBaseStructure.TIM_Period = -1;     // set dummy value (don't set to 0), will be initialized later
	//TIM_TimeBaseStructure.TIM_Prescaler = 0;
	//TIM_TimeBaseStructure.TIM_ClockDivision = 0;
	//TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
	TIM_TimeBaseInit(IRSND_TIMER, &TIM_TimeBaseStructure);

	/* PWM1 Mode configuration */
	TIM_OCStructInit(&TIM_OCInitStructure); // initialize all values
	TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
	TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
	// next 2 one not needed because they are default values from TIM_OCStructInit
	//TIM_OCInitStructure.TIM_Pulse = 0;         // will be initialized later
	//TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
	TIM_OC1Init(IRSND_TIMER, &TIM_OCInitStructure);

	/* Preload configuration */
	TIM_ARRPreloadConfig(IRSND_TIMER, ENABLE);
	TIM_OC1PreloadConfig(IRSND_TIMER, TIM_OCPreload_Enable);
#    ifdef IRSND_TIMER_PIN_NEED_ENABLE
	TIM_CtrlPWMOutputs(IRSND_TIMER, ENABLE);
#    endif

	irsnd_set_freq(IRSND_FREQ_36_KHZ); // set default frequency
#  else                                                                             // AVR
			IRSND_PORT &= ~(1<<IRSND_BIT);// set IRSND_BIT to low
			IRSND_DDR |= (1<<IRSND_BIT);// set IRSND_BIT to output

#    if   IRSND_OCx == IRSND_OC2                                                    // use OC2
			TCCR2 = (1<<WGM21);// CTC mode
#       if AVR_PRESCALER == 8
			TCCR2 |= (1<<CS21); // start Timer 2, prescaler = 8
#       else
			TCCR2 |= (1<<CS20); // start Timer 2, prescaler = 1
#       endif
#    elif IRSND_OCx == IRSND_OC2A || IRSND_OCx == IRSND_OC2B                        // use OC2A or OC2B
			TCCR2A = (1<<WGM21); // CTC mode
#       if AVR_PRESCALER == 8
			TCCR2B = (1<<CS21); // start Timer 2, prescaler = 8
#       else
			TCCR2B = (1<<CS20); // start Timer 2, prescaler = 1
#       endif
#    elif IRSND_OCx == IRSND_OC0                                                    // use OC0
			TCCR0 = (1<<WGM01); // CTC mode
#       if AVR_PRESCALER == 8
			TCCR0 |= (1<<CS01); // start Timer 0, prescaler = 8
#       else
			TCCR0 |= (1<<CS00); // start Timer 0, prescaler = 1
#       endif
#    elif IRSND_OCx == IRSND_OC0A || IRSND_OCx == IRSND_OC0B                        // use OC0A or OC0B
			TCCR0A = (1<<WGM01); // CTC mode
#       if AVR_PRESCALER == 8
			TCCR0B = (1<<CS01); // start Timer 0, prescaler = 8
#       else
			TCCR0B = (1<<CS00); // start Timer 0, prescaler = 1
#       endif
#    else
#      error wrong value of IRSND_OCx
#    endif
			irsnd_set_freq (IRSND_FREQ_36_KHZ); // default frequency
#  endif //PIC_C18
#endif // DEBUG
}

#if IRSND_USE_CALLBACK == 1
void
irsnd_set_callback_ptr (void (*cb)(uint8_t))
{
	irsnd_callback_ptr = cb;
}
#endif // IRSND_USE_CALLBACK == 1
uint8_t irsnd_is_busy(void) {
	return irsnd_busy;
}

static uint16_t bitsrevervse(uint16_t x, uint8_t len) {
	uint16_t xx = 0;

	while (len) {
		xx <<= 1;
		if (x & 1) {
			xx |= 1;
		}
		x >>= 1;
		len--;
	}
	return xx;
}

#if IRSND_SUPPORT_SIRCS_PROTOCOL == 1
static uint8_t sircs_additional_bitlen;
#endif // IRSND_SUPPORT_SIRCS_PROTOCOL == 1
/**
 * Sends MSB first
 * @param irmp_data_p
 * @param do_wait
 * @return FALSE if do_wait is false and sending is still ongoing
 */
uint8_t irsnd_send_data(IRMP_DATA * irmp_data_p, uint8_t do_wait) {
#if IRSND_SUPPORT_RECS80_PROTOCOL == 1
	static uint8_t toggle_bit_recs80;
#endif
#if IRSND_SUPPORT_RECS80EXT_PROTOCOL == 1
	static uint8_t toggle_bit_recs80ext;
#endif
#if IRSND_SUPPORT_RC5_PROTOCOL == 1
	static uint8_t toggle_bit_rc5;
#endif
#if IRSND_SUPPORT_RC6_PROTOCOL == 1 || IRSND_SUPPORT_RC6A_PROTOCOL == 1
	static uint8_t toggle_bit_rc6;
#endif
#if IRSND_SUPPORT_THOMSON_PROTOCOL == 1
	static uint8_t toggle_bit_thomson;
#endif
	uint16_t address;
	uint16_t command;

	if (do_wait) {
		while (irsnd_busy) {
			// do nothing;
		}
	} else if (irsnd_busy) {
		return (FALSE);
	}

	irsnd_protocol = irmp_data_p->protocol;
	irsnd_repeat = irmp_data_p->flags & IRSND_REPETITION_MASK;

	switch (irsnd_protocol) {
#if IRSND_SUPPORT_SIRCS_PROTOCOL == 1
	case IRMP_SIRCS_PROTOCOL:
	{
		// uint8_t  sircs_additional_command_len;
		uint8_t sircs_additional_address_len;

		sircs_additional_bitlen = (irmp_data_p->address & 0xFF00) >> 8;// additional bitlen

		if (sircs_additional_bitlen > 15 - SIRCS_MINIMUM_DATA_LEN)
		{
			// sircs_additional_command_len = 15 - SIRCS_MINIMUM_DATA_LEN;
			sircs_additional_address_len = sircs_additional_bitlen - (15 - SIRCS_MINIMUM_DATA_LEN);
		}
		else
		{
			// sircs_additional_command_len = sircs_additional_bitlen;
			sircs_additional_address_len = 0;
		}

		command = bitsrevervse (irmp_data_p->command, 15);

		irsnd_buffer[0] = (command & 0x7F80) >> 7; // CCCCCCCC
		irsnd_buffer[1] = (command & 0x007F) << 1;// CCCC****

		if (sircs_additional_address_len > 0)
		{
			address = bitsrevervse (irmp_data_p->address, 5);
			irsnd_buffer[1] |= (address & 0x0010) >> 4;
			irsnd_buffer[2] = (address & 0x000F) << 4;
		}
		irsnd_busy = TRUE;
		break;
	}
#endif
#if IRSND_SUPPORT_NEC_PROTOCOL == 1
	case IRMP_APPLE_PROTOCOL: {
		command = irmp_data_p->command | (irmp_data_p->address << 8); // store address as ID in upper byte of command
		address = 0x87EE; // set fixed NEC-lookalike address (customer ID of apple)

		address = bitsrevervse(address, NEC_ADDRESS_LEN);
		command = bitsrevervse(command, NEC_COMMAND_LEN);

		irsnd_protocol = IRMP_NEC_PROTOCOL; // APPLE protocol is NEC with id instead of inverted command

		irsnd_buffer[0] = (address & 0xFF00) >> 8; // AAAAAAAA
		irsnd_buffer[1] = (address & 0x00FF); // AAAAAAAA
		irsnd_buffer[2] = (command & 0xFF00) >> 8; // CCCCCCCC
		irsnd_buffer[3] = 0x8B; // 10001011 (id)
		irsnd_busy = TRUE;
		break;
	}
	case IRMP_NEC_PROTOCOL: {
		address = bitsrevervse(irmp_data_p->address, NEC_ADDRESS_LEN);
		command = bitsrevervse(irmp_data_p->command, NEC_COMMAND_LEN);

		irsnd_buffer[0] = (address & 0xFF00) >> 8; // AAAAAAAA
		irsnd_buffer[1] = (address & 0x00FF); // AAAAAAAA
		irsnd_buffer[2] = (command & 0xFF00) >> 8; // CCCCCCCC
		irsnd_buffer[3] = ~((command & 0xFF00) >> 8); // cccccccc
		irsnd_busy = TRUE;
		break;
	}
#endif
#if IRSND_SUPPORT_NEC16_PROTOCOL == 1
		case IRMP_NEC16_PROTOCOL:
		{
			address = bitsrevervse (irmp_data_p->address, NEC16_ADDRESS_LEN);
			command = bitsrevervse (irmp_data_p->command, NEC16_COMMAND_LEN);

			irsnd_buffer[0] = (address & 0x00FF); // AAAAAAAA
			irsnd_buffer[1] = (command & 0x00FF);// CCCCCCCC
			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_NEC42_PROTOCOL == 1
		case IRMP_NEC42_PROTOCOL:
		{
			address = bitsrevervse (irmp_data_p->address, NEC42_ADDRESS_LEN);
			command = bitsrevervse (irmp_data_p->command, NEC42_COMMAND_LEN);

			irsnd_buffer[0] = ( (address & 0x1FE0) >> 5); // AAAAAAAA
			irsnd_buffer[1] = ( (address & 0x001F) << 3) | ((~address & 0x1C00) >> 10);// AAAAAaaa
			irsnd_buffer[2] = ((~address & 0x03FC) >> 2);// aaaaaaaa
			irsnd_buffer[3] = ((~address & 0x0003) << 6) | ( (command & 0x00FC) >> 2);// aaCCCCCC
			irsnd_buffer[4] = ( (command & 0x0003) << 6) | ((~command & 0x00FC) >> 2);// CCcccccc
			irsnd_buffer[5] = ((~command & 0x0003) << 6);// cc
			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_SAMSUNG_PROTOCOL == 1
		case IRMP_SAMSUNG_PROTOCOL:
		{
			address = bitsrevervse (irmp_data_p->address, SAMSUNG_ADDRESS_LEN);
			command = bitsrevervse (irmp_data_p->command, SAMSUNG_COMMAND_LEN);

			irsnd_buffer[0] = (address & 0xFF00) >> 8; // AAAAAAAA
			irsnd_buffer[1] = (address & 0x00FF);// AAAAAAAA
			irsnd_buffer[2] = (command & 0x00F0) | ((command & 0xF000) >> 12);// IIIICCCC
			irsnd_buffer[3] = ((command & 0x0F00) >> 4) | ((~(command & 0xF000) >> 12) & 0x0F);// CCCCcccc
			irsnd_buffer[4] = (~(command & 0x0F00) >> 4) & 0xF0;// cccc0000
			irsnd_busy = TRUE;
			break;
		}
		case IRMP_SAMSUNG32_PROTOCOL:
		{
			address = bitsrevervse (irmp_data_p->address, SAMSUNG_ADDRESS_LEN);
			command = bitsrevervse (irmp_data_p->command, SAMSUNG32_COMMAND_LEN);

			irsnd_buffer[0] = (address & 0xFF00) >> 8; // AAAAAAAA
			irsnd_buffer[1] = (address & 0x00FF);// AAAAAAAA
			irsnd_buffer[2] = (command & 0xFF00) >> 8;// CCCCCCCC
			irsnd_buffer[3] = (command & 0x00FF);// CCCCCCCC
			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_MATSUSHITA_PROTOCOL == 1
		case IRMP_MATSUSHITA_PROTOCOL:
		{
			address = bitsrevervse (irmp_data_p->address, MATSUSHITA_ADDRESS_LEN);
			command = bitsrevervse (irmp_data_p->command, MATSUSHITA_COMMAND_LEN);

			irsnd_buffer[0] = (command & 0x0FF0) >> 4; // CCCCCCCC
			irsnd_buffer[1] = ((command & 0x000F) << 4) | ((address & 0x0F00) >> 8);// CCCCAAAA
			irsnd_buffer[2] = (address & 0x00FF);// AAAAAAAA
			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_KASEIKYO_PROTOCOL == 1
		case IRMP_KASEIKYO_PROTOCOL:
		{
			uint8_t xor_value;
			uint16_t genre2;

			address = bitsrevervse (irmp_data_p->address, KASEIKYO_ADDRESS_LEN);
			command = bitsrevervse (irmp_data_p->command, KASEIKYO_COMMAND_LEN + 4);
			genre2 = bitsrevervse ((irmp_data_p->flags & ~IRSND_REPETITION_MASK) >> 4, 4);

			xor_value = ((address & 0x000F) ^ ((address & 0x00F0) >> 4) ^ ((address & 0x0F00) >> 8) ^ ((address & 0xF000) >> 12)) & 0x0F;

			irsnd_buffer[0] = (address & 0xFF00) >> 8; // AAAAAAAA
			irsnd_buffer[1] = (address & 0x00FF);// AAAAAAAA
			irsnd_buffer[2] = xor_value << 4 | (command & 0x000F);// XXXXCCCC
			irsnd_buffer[3] = (genre2 << 4) | (command & 0xF000) >> 12;// ggggCCCC
			irsnd_buffer[4] = (command & 0x0FF0) >> 4;// CCCCCCCC

			xor_value = irsnd_buffer[2] ^ irsnd_buffer[3] ^ irsnd_buffer[4];

			irsnd_buffer[5] = xor_value;
			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_RECS80_PROTOCOL == 1
		case IRMP_RECS80_PROTOCOL:
		{
			toggle_bit_recs80 = toggle_bit_recs80 ? 0x00 : 0x40;

			irsnd_buffer[0] = 0x80 | toggle_bit_recs80 | ((irmp_data_p->address & 0x0007) << 3) |
			((irmp_data_p->command & 0x0038) >> 3); // STAAACCC
			irsnd_buffer[1] = (irmp_data_p->command & 0x07) << 5;// CCC00000
			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_RECS80EXT_PROTOCOL == 1
		case IRMP_RECS80EXT_PROTOCOL:
		{
			toggle_bit_recs80ext = toggle_bit_recs80ext ? 0x00 : 0x40;

			irsnd_buffer[0] = 0x80 | toggle_bit_recs80ext | ((irmp_data_p->address & 0x000F) << 2) |
			((irmp_data_p->command & 0x0030) >> 4); // STAAAACC
			irsnd_buffer[1] = (irmp_data_p->command & 0x0F) << 4;// CCCC0000
			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_RC5_PROTOCOL == 1
		case IRMP_RC5_PROTOCOL:
		{
			toggle_bit_rc5 = toggle_bit_rc5 ? 0x00 : 0x40;

			irsnd_buffer[0] = ((irmp_data_p->command & 0x40) ? 0x00 : 0x80) | toggle_bit_rc5 |
			((irmp_data_p->address & 0x001F) << 1) | ((irmp_data_p->command & 0x20) >> 5); // CTAAAAAC
			irsnd_buffer[1] = (irmp_data_p->command & 0x1F) << 3;// CCCCC000
			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_RC6_PROTOCOL == 1
		case IRMP_RC6_PROTOCOL:
		{
			toggle_bit_rc6 = toggle_bit_rc6 ? 0x00 : 0x08;

			irsnd_buffer[0] = 0x80 | toggle_bit_rc6 | ((irmp_data_p->address & 0x00E0) >> 5); // 1MMMTAAA, MMM = 000
			irsnd_buffer[1] = ((irmp_data_p->address & 0x001F) << 3) | ((irmp_data_p->command & 0xE0) >> 5);// AAAAACCC
			irsnd_buffer[2] = (irmp_data_p->command & 0x1F) << 3;// CCCCC
			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_RC6A_PROTOCOL == 1
		case IRMP_RC6A_PROTOCOL:
		{
			toggle_bit_rc6 = toggle_bit_rc6 ? 0x00 : 0x08;

			irsnd_buffer[0] = 0x80 | 0x60 | ((irmp_data_p->address & 0x3000) >> 12); // 1MMMT0AA, MMM = 110
			irsnd_buffer[1] = ((irmp_data_p->address & 0x0FFF) >> 4);// AAAAAAAA
			irsnd_buffer[2] = ((irmp_data_p->address & 0x000F) << 4) | ((irmp_data_p->command & 0xF000) >> 12) | toggle_bit_rc6;// AAAACCCC
			irsnd_buffer[3] = (irmp_data_p->command & 0x0FF0) >> 4;// CCCCCCCC
			irsnd_buffer[4] = (irmp_data_p->command & 0x000F) << 4;// CCCC
			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_DENON_PROTOCOL == 1
		case IRMP_DENON_PROTOCOL:
		{
			irsnd_buffer[0] = ((irmp_data_p->address & 0x1F) << 3) | ((irmp_data_p->command & 0x0380) >> 7); // AAAAACCC (1st frame)
			irsnd_buffer[1] = (irmp_data_p->command & 0x7F) << 1;// CCCCCCC
			irsnd_buffer[2] = ((irmp_data_p->address & 0x1F) << 3) | (((~irmp_data_p->command) & 0x0380) >> 7);// AAAAAccc (2nd frame)
			irsnd_buffer[3] = (~(irmp_data_p->command) & 0x7F) << 1;// ccccccc
			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_THOMSON_PROTOCOL == 1
		case IRMP_THOMSON_PROTOCOL:
		{
			toggle_bit_thomson = toggle_bit_thomson ? 0x00 : 0x08;

			irsnd_buffer[0] = ((irmp_data_p->address & 0x0F) << 4) | toggle_bit_thomson | ((irmp_data_p->command & 0x0070) >> 4); // AAAATCCC (1st frame)
			irsnd_buffer[1] = (irmp_data_p->command & 0x0F) << 4;// CCCC
			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_NUBERT_PROTOCOL == 1
		case IRMP_NUBERT_PROTOCOL:
		{
			irsnd_buffer[0] = irmp_data_p->command >> 2; // CCCCCCCC
			irsnd_buffer[1] = (irmp_data_p->command & 0x0003) << 6;// CC000000
			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_BANG_OLUFSEN_PROTOCOL == 1
		case IRMP_BANG_OLUFSEN_PROTOCOL:
		{
			irsnd_buffer[0] = irmp_data_p->command >> 11; // SXSCCCCC
			irsnd_buffer[1] = irmp_data_p->command >> 3;// CCCCCCCC
			irsnd_buffer[2] = (irmp_data_p->command & 0x0007) << 5;// CCC00000
			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_GRUNDIG_PROTOCOL == 1
		case IRMP_GRUNDIG_PROTOCOL:
		{
			command = bitsrevervse (irmp_data_p->command, GRUNDIG_COMMAND_LEN);

			irsnd_buffer[0] = 0xFF; // S1111111 (1st frame)
			irsnd_buffer[1] = 0xC0;// 11
			irsnd_buffer[2] = 0x80 | (command >> 2);// SCCCCCCC (2nd frame)
			irsnd_buffer[3] = (command << 6) & 0xC0;// CC

			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_IR60_PROTOCOL == 1
		case IRMP_IR60_PROTOCOL:
		{
			command = (bitsrevervse (0x7d, IR60_COMMAND_LEN) << 7) | bitsrevervse (irmp_data_p->command, IR60_COMMAND_LEN);
#if 0
			irsnd_buffer[0] = command >> 6 | 0x01; // 1011111S (start instruction frame)
			irsnd_buffer[1] = (command & 0x7F) << 1;// CCCCCCC_ (2nd frame)
#else
			irsnd_buffer[0] = ((command & 0x7F) << 1) | 0x01; // CCCCCCCS (1st frame)
			irsnd_buffer[1] = command >> 6;// 1011111_ (start instruction frame)
#endif

			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_NOKIA_PROTOCOL == 1
		case IRMP_NOKIA_PROTOCOL:
		{
			address = bitsrevervse (irmp_data_p->address, NOKIA_ADDRESS_LEN);
			command = bitsrevervse (irmp_data_p->command, NOKIA_COMMAND_LEN);

			irsnd_buffer[0] = 0xBF; // S0111111 (1st + 3rd frame)
			irsnd_buffer[1] = 0xFF;// 11111111
			irsnd_buffer[2] = 0x80;// 1
			irsnd_buffer[3] = 0x80 | command >> 1;// SCCCCCCC (2nd frame)
			irsnd_buffer[4] = (command << 7) | (address >> 1);// CAAAAAAA
			irsnd_buffer[5] = (address << 7);// A

			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_SIEMENS_PROTOCOL == 1
		case IRMP_SIEMENS_PROTOCOL:
		{
			irsnd_buffer[0] = ((irmp_data_p->address & 0x0FFF) >> 5); // SAAAAAAA
			irsnd_buffer[1] = ((irmp_data_p->address & 0x1F) << 3) | ((irmp_data_p->command & 0x7F) >> 5);// AAAAA0CC
			irsnd_buffer[2] = (irmp_data_p->command << 3) | ((~irmp_data_p->command & 0x01) << 2);// CCCCCc

			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_FDC_PROTOCOL == 1
		case IRMP_FDC_PROTOCOL:
		{
			address = bitsrevervse (irmp_data_p->address, FDC_ADDRESS_LEN);
			command = bitsrevervse (irmp_data_p->command, FDC_COMMAND_LEN);

			irsnd_buffer[0] = (address & 0xFF); // AAAAAAAA
			irsnd_buffer[1] = 0;// 00000000
			irsnd_buffer[2] = 0;// 0000RRRR
			irsnd_buffer[3] = (command & 0xFF);// CCCCCCCC
			irsnd_buffer[4] = ~(command & 0xFF);// cccccccc
			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_RCCAR_PROTOCOL == 1
		case IRMP_RCCAR_PROTOCOL:
		{
			address = bitsrevervse (irmp_data_p->address, 2); //                            A0 A1
			command = bitsrevervse (irmp_data_p->command, RCCAR_COMMAND_LEN - 2);// D0 D1 D2 D3 D4 D5 D6 D7 C0 C1 V

			irsnd_buffer[0] = ((command & 0x06) << 5) | ((address & 0x0003) << 4) | ((command & 0x0780) >> 7);//          C0 C1 A0 A1 D0 D1 D2 D3
			irsnd_buffer[1] = ((command & 0x78) << 1) | ((command & 0x0001) << 3);//          D4 D5 D6 D7 V  0  0  0

			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_JVC_PROTOCOL == 1
		case IRMP_JVC_PROTOCOL:
		{
			address = bitsrevervse (irmp_data_p->address, JVC_ADDRESS_LEN);
			command = bitsrevervse (irmp_data_p->command, JVC_COMMAND_LEN);

			irsnd_buffer[0] = ((address & 0x000F) << 4) | (command & 0x0F00) >> 8; // AAAACCCC
			irsnd_buffer[1] = (command & 0x00FF);// CCCCCCCC

			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_NIKON_PROTOCOL == 1
		case IRMP_NIKON_PROTOCOL:
		{
			irsnd_buffer[0] = (irmp_data_p->command & 0x0003) << 6; // CC
			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_LEGO_PROTOCOL == 1
		case IRMP_LEGO_PROTOCOL:
		{
			uint8_t crc = 0x0F ^ ((irmp_data_p->command & 0x0F00) >> 8) ^ ((irmp_data_p->command & 0x00F0) >> 4) ^ (irmp_data_p->command & 0x000F);

			irsnd_buffer[0] = (irmp_data_p->command & 0x0FF0) >> 4; // CCCCCCCC
			irsnd_buffer[1] = ((irmp_data_p->command & 0x000F) << 4) | crc;// CCCCcccc
			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_A1TVBOX_PROTOCOL == 1
		case IRMP_A1TVBOX_PROTOCOL:
		{
			irsnd_buffer[0] = 0x80 | (irmp_data_p->address >> 2); // 10AAAAAA
			irsnd_buffer[1] = (irmp_data_p->address << 6) | (irmp_data_p->command >> 2);// AACCCCCC
			irsnd_buffer[2] = (irmp_data_p->command << 6);// CC

			irsnd_busy = TRUE;
			break;
		}
#endif
#if IRSND_SUPPORT_IHELICOPTER_PROTOCOL == 1
	case IRMP_IHELICOPTER_PROTOCOL: {
		irsnd_buffer[0] = (irmp_data_p->address & 0xFF00) >> 8;  // VVVVVVVV - Velocity
		irsnd_buffer[1] = (irmp_data_p->address & 0x00FF);       // 1YYYYYYY - Yaw
		irsnd_buffer[2] = (irmp_data_p->command & 0xFF00) >> 8;  // 1LNNNNNN - Light + Nick
		irsnd_buffer[3] = (irmp_data_p->command & 0x00FF);       // CCCCXXXX - Checksum

		irsnd_busy = TRUE;
		break;
	}
#endif

	default: {
		break;
	}
	}

	return irsnd_busy;
}

void irsnd_stop(void) {
	irsnd_repeat = 0;
}

/*---------------------------------------------------------------------------------------------------------------------------------------------------
 *  ISR routine
 *  @details  ISR routine, called 10000 times per second
 *---------------------------------------------------------------------------------------------------------------------------------------------------
 */
uint8_t irsnd_ISR(void) {
	static uint8_t send_trailer = FALSE;
	static uint8_t current_bit = 0xFF;
	static uint8_t pulse_counter = 0;
	static IRSND_PAUSE_LEN pause_counter = 0;
	static uint8_t startbit_pulse_len = 0;
	static IRSND_PAUSE_LEN startbit_pause_len = 0;
	static uint8_t pulse_1_len = 0;
	static uint8_t pause_1_len = 0;
	static uint8_t pulse_0_len = 0;
	static uint8_t pause_0_len = 0;
	static uint8_t has_stop_bit = 0;
	static uint8_t new_frame = TRUE;
	static uint8_t complete_data_len = 0;
	static uint8_t n_repeat_frames = 0; // number of repetition frames
	static uint8_t n_auto_repetitions = 0; // number of auto_repetitions
	static uint8_t auto_repetition_counter = 0; // auto_repetition counter
	static uint16_t auto_repetition_pause_len = 0; // pause before auto_repetition, uint16_t!
	static uint16_t auto_repetition_pause_counter = 0; // pause before auto_repetition, uint16_t!
	static uint8_t repeat_counter = 0; // repeat counter
	static uint16_t repeat_frame_pause_len = 0; // pause before repeat, uint16_t!
	static uint16_t packet_repeat_pause_counter = 0; // pause before repeat, uint16_t!
#if IRSND_SUPPORT_BANG_OLUFSEN_PROTOCOL == 1
	static uint8_t last_bit_value;
#endif
	static uint8_t pulse_len = 0xFF;
	static IRSND_PAUSE_LEN pause_len = 0xFF;

	if (irsnd_busy) {
		if (current_bit >= 0xF0 && new_frame) // start of transmission...
				{
			if (auto_repetition_counter > 0) {
				auto_repetition_pause_counter++;

#if IRSND_SUPPORT_DENON_PROTOCOL == 1
				if (repeat_frame_pause_len > 0) // frame repeat distance counts from beginning of 1st frame!
				{
					repeat_frame_pause_len--;
				}
#endif

				if (auto_repetition_pause_counter >= auto_repetition_pause_len) {
					auto_repetition_pause_counter = 0;

#if IRSND_SUPPORT_DENON_PROTOCOL == 1
					if (irsnd_protocol == IRMP_DENON_PROTOCOL) // n'th denon frame
					{
						current_bit = 16;
						complete_data_len = 2 * DENON_COMPLETE_DATA_LEN + 1;
					}
					else
#endif
#if IRSND_SUPPORT_GRUNDIG_PROTOCOL == 1
					if (irsnd_protocol == IRMP_GRUNDIG_PROTOCOL) // n'th grundig frame
					{
						current_bit = 15;
						complete_data_len = 16 + GRUNDIG_COMPLETE_DATA_LEN;
					}
					else
#endif
#if IRSND_SUPPORT_IR60_PROTOCOL == 1
					if (irsnd_protocol == IRMP_IR60_PROTOCOL) // n'th IR60 frame
					{
						current_bit = 7;
						complete_data_len = 2 * IR60_COMPLETE_DATA_LEN + 1;
					}
					else
#endif
#if IRSND_SUPPORT_NOKIA_PROTOCOL == 1
					if (irsnd_protocol == IRMP_NOKIA_PROTOCOL) // n'th nokia frame
					{
						if (auto_repetition_counter + 1 < n_auto_repetitions)
						{
							current_bit = 23;
							complete_data_len = 24 + NOKIA_COMPLETE_DATA_LEN;
						}
						else // nokia stop frame
						{
							current_bit = 0xFF;
							complete_data_len = NOKIA_COMPLETE_DATA_LEN;
						}
					}
					else
#endif
					{
						;
					}
				} else {
#ifdef DEBUG
					if (irsnd_is_on)
					{
						putchar ('0');
					}
					else
					{
						putchar ('1');
					}
#endif
					return irsnd_busy;
				}
			}
#if 0
			else if (repeat_counter > 0 && packet_repeat_pause_counter < repeat_frame_pause_len)
#else
			else if (packet_repeat_pause_counter < repeat_frame_pause_len)
#endif
					{
				packet_repeat_pause_counter++;

#ifdef DEBUG
				if (irsnd_is_on)
				{
					putchar ('0');
				}
				else
				{
					putchar ('1');
				}
#endif
				return irsnd_busy;
			} else {
				if (send_trailer) {
					irsnd_busy = FALSE;
					send_trailer = FALSE;
					return irsnd_busy;
				}

				n_repeat_frames = irsnd_repeat;

				if (n_repeat_frames == IRSND_ENDLESS_REPETITION) {
					n_repeat_frames = 255;
				}

				packet_repeat_pause_counter = 0;
				pulse_counter = 0;
				pause_counter = 0;

				switch (irsnd_protocol) {
#if IRSND_SUPPORT_SIRCS_PROTOCOL == 1
				case IRMP_SIRCS_PROTOCOL:
				{
					startbit_pulse_len = SIRCS_START_BIT_PULSE_LEN;
					startbit_pause_len = SIRCS_START_BIT_PAUSE_LEN - 1;
					pulse_1_len = SIRCS_1_PULSE_LEN;
					pause_1_len = SIRCS_PAUSE_LEN - 1;
					pulse_0_len = SIRCS_0_PULSE_LEN;
					pause_0_len = SIRCS_PAUSE_LEN - 1;
					has_stop_bit = SIRCS_STOP_BIT;
					complete_data_len = SIRCS_MINIMUM_DATA_LEN + sircs_additional_bitlen;
					n_auto_repetitions = (repeat_counter == 0) ? SIRCS_FRAMES : 1; // 3 frames auto repetition if first frame
					auto_repetition_pause_len = SIRCS_AUTO_REPETITION_PAUSE_LEN;// 25ms pause
					repeat_frame_pause_len = SIRCS_FRAME_REPEAT_PAUSE_LEN;
					irsnd_set_freq (IRSND_FREQ_40_KHZ);
					break;
				}
#endif
#if IRSND_SUPPORT_NEC_PROTOCOL == 1
				case IRMP_NEC_PROTOCOL: {
					startbit_pulse_len = NEC_START_BIT_PULSE_LEN;

					if (repeat_counter > 0) {
						startbit_pause_len = NEC_REPEAT_START_BIT_PAUSE_LEN - 1;
						complete_data_len = 0;
					} else {
						startbit_pause_len = NEC_START_BIT_PAUSE_LEN - 1;
						complete_data_len = NEC_COMPLETE_DATA_LEN;
					}

					pulse_1_len = NEC_PULSE_LEN;
					pause_1_len = NEC_1_PAUSE_LEN - 1;
					pulse_0_len = NEC_PULSE_LEN;
					pause_0_len = NEC_0_PAUSE_LEN - 1;
					has_stop_bit = NEC_STOP_BIT;
					n_auto_repetitions = 1; // 1 frame
					auto_repetition_pause_len = 0;
					repeat_frame_pause_len = NEC_FRAME_REPEAT_PAUSE_LEN;
					irsnd_set_freq(IRSND_FREQ_38_KHZ);
					break;
				}
#endif
#if IRSND_SUPPORT_NEC16_PROTOCOL == 1
					case IRMP_NEC16_PROTOCOL:
					{
						startbit_pulse_len = NEC_START_BIT_PULSE_LEN;
						startbit_pause_len = NEC_START_BIT_PAUSE_LEN - 1;
						pulse_1_len = NEC_PULSE_LEN;
						pause_1_len = NEC_1_PAUSE_LEN - 1;
						pulse_0_len = NEC_PULSE_LEN;
						pause_0_len = NEC_0_PAUSE_LEN - 1;
						has_stop_bit = NEC_STOP_BIT;
						complete_data_len = NEC16_COMPLETE_DATA_LEN + 1; // 1 more: sync bit
						n_auto_repetitions = 1;// 1 frame
						auto_repetition_pause_len = 0;
						repeat_frame_pause_len = NEC_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_38_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_NEC42_PROTOCOL == 1
					case IRMP_NEC42_PROTOCOL:
					{
						startbit_pulse_len = NEC_START_BIT_PULSE_LEN;
						startbit_pause_len = NEC_START_BIT_PAUSE_LEN - 1;
						pulse_1_len = NEC_PULSE_LEN;
						pause_1_len = NEC_1_PAUSE_LEN - 1;
						pulse_0_len = NEC_PULSE_LEN;
						pause_0_len = NEC_0_PAUSE_LEN - 1;
						has_stop_bit = NEC_STOP_BIT;
						complete_data_len = NEC42_COMPLETE_DATA_LEN;
						n_auto_repetitions = 1; // 1 frame
						auto_repetition_pause_len = 0;
						repeat_frame_pause_len = NEC_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_38_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_SAMSUNG_PROTOCOL == 1
					case IRMP_SAMSUNG_PROTOCOL:
					{
						startbit_pulse_len = SAMSUNG_START_BIT_PULSE_LEN;
						startbit_pause_len = SAMSUNG_START_BIT_PAUSE_LEN - 1;
						pulse_1_len = SAMSUNG_PULSE_LEN;
						pause_1_len = SAMSUNG_1_PAUSE_LEN - 1;
						pulse_0_len = SAMSUNG_PULSE_LEN;
						pause_0_len = SAMSUNG_0_PAUSE_LEN - 1;
						has_stop_bit = SAMSUNG_STOP_BIT;
						complete_data_len = SAMSUNG_COMPLETE_DATA_LEN;
						n_auto_repetitions = 1; // 1 frame
						auto_repetition_pause_len = 0;
						repeat_frame_pause_len = SAMSUNG_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_38_KHZ);
						break;
					}

					case IRMP_SAMSUNG32_PROTOCOL:
					{
						startbit_pulse_len = SAMSUNG_START_BIT_PULSE_LEN;
						startbit_pause_len = SAMSUNG_START_BIT_PAUSE_LEN - 1;
						pulse_1_len = SAMSUNG_PULSE_LEN;
						pause_1_len = SAMSUNG_1_PAUSE_LEN - 1;
						pulse_0_len = SAMSUNG_PULSE_LEN;
						pause_0_len = SAMSUNG_0_PAUSE_LEN - 1;
						has_stop_bit = SAMSUNG_STOP_BIT;
						complete_data_len = SAMSUNG32_COMPLETE_DATA_LEN;
						n_auto_repetitions = SAMSUNG32_FRAMES; // 2 frames
						auto_repetition_pause_len = SAMSUNG32_AUTO_REPETITION_PAUSE_LEN;// 47 ms pause
						repeat_frame_pause_len = SAMSUNG32_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_38_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_MATSUSHITA_PROTOCOL == 1
					case IRMP_MATSUSHITA_PROTOCOL:
					{
						startbit_pulse_len = MATSUSHITA_START_BIT_PULSE_LEN;
						startbit_pause_len = MATSUSHITA_START_BIT_PAUSE_LEN - 1;
						pulse_1_len = MATSUSHITA_PULSE_LEN;
						pause_1_len = MATSUSHITA_1_PAUSE_LEN - 1;
						pulse_0_len = MATSUSHITA_PULSE_LEN;
						pause_0_len = MATSUSHITA_0_PAUSE_LEN - 1;
						has_stop_bit = MATSUSHITA_STOP_BIT;
						complete_data_len = MATSUSHITA_COMPLETE_DATA_LEN;
						n_auto_repetitions = 1; // 1 frame
						auto_repetition_pause_len = 0;
						repeat_frame_pause_len = MATSUSHITA_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_36_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_KASEIKYO_PROTOCOL == 1
					case IRMP_KASEIKYO_PROTOCOL:
					{
						startbit_pulse_len = KASEIKYO_START_BIT_PULSE_LEN;
						startbit_pause_len = KASEIKYO_START_BIT_PAUSE_LEN - 1;
						pulse_1_len = KASEIKYO_PULSE_LEN;
						pause_1_len = KASEIKYO_1_PAUSE_LEN - 1;
						pulse_0_len = KASEIKYO_PULSE_LEN;
						pause_0_len = KASEIKYO_0_PAUSE_LEN - 1;
						has_stop_bit = KASEIKYO_STOP_BIT;
						complete_data_len = KASEIKYO_COMPLETE_DATA_LEN;
						n_auto_repetitions = (repeat_counter == 0) ? KASEIKYO_FRAMES : 1; // 2 frames auto repetition if first frame
						auto_repetition_pause_len = KASEIKYO_AUTO_REPETITION_PAUSE_LEN;// 75 ms pause
						repeat_frame_pause_len = KASEIKYO_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_38_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_RECS80_PROTOCOL == 1
					case IRMP_RECS80_PROTOCOL:
					{
						startbit_pulse_len = RECS80_START_BIT_PULSE_LEN;
						startbit_pause_len = RECS80_START_BIT_PAUSE_LEN - 1;
						pulse_1_len = RECS80_PULSE_LEN;
						pause_1_len = RECS80_1_PAUSE_LEN - 1;
						pulse_0_len = RECS80_PULSE_LEN;
						pause_0_len = RECS80_0_PAUSE_LEN - 1;
						has_stop_bit = RECS80_STOP_BIT;
						complete_data_len = RECS80_COMPLETE_DATA_LEN;
						n_auto_repetitions = 1; // 1 frame
						auto_repetition_pause_len = 0;
						repeat_frame_pause_len = RECS80_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_38_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_RECS80EXT_PROTOCOL == 1
					case IRMP_RECS80EXT_PROTOCOL:
					{
						startbit_pulse_len = RECS80EXT_START_BIT_PULSE_LEN;
						startbit_pause_len = RECS80EXT_START_BIT_PAUSE_LEN - 1;
						pulse_1_len = RECS80EXT_PULSE_LEN;
						pause_1_len = RECS80EXT_1_PAUSE_LEN - 1;
						pulse_0_len = RECS80EXT_PULSE_LEN;
						pause_0_len = RECS80EXT_0_PAUSE_LEN - 1;
						has_stop_bit = RECS80EXT_STOP_BIT;
						complete_data_len = RECS80EXT_COMPLETE_DATA_LEN;
						n_auto_repetitions = 1; // 1 frame
						auto_repetition_pause_len = 0;
						repeat_frame_pause_len = RECS80EXT_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_38_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_RC5_PROTOCOL == 1
					case IRMP_RC5_PROTOCOL:
					{
						startbit_pulse_len = RC5_BIT_LEN;
						startbit_pause_len = RC5_BIT_LEN;
						pulse_len = RC5_BIT_LEN;
						pause_len = RC5_BIT_LEN;
						has_stop_bit = RC5_STOP_BIT;
						complete_data_len = RC5_COMPLETE_DATA_LEN;
						n_auto_repetitions = 1; // 1 frame
						auto_repetition_pause_len = 0;
						repeat_frame_pause_len = RC5_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_36_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_RC6_PROTOCOL == 1
					case IRMP_RC6_PROTOCOL:
					{
						startbit_pulse_len = RC6_START_BIT_PULSE_LEN;
						startbit_pause_len = RC6_START_BIT_PAUSE_LEN - 1;
						pulse_len = RC6_BIT_LEN;
						pause_len = RC6_BIT_LEN;
						has_stop_bit = RC6_STOP_BIT;
						complete_data_len = RC6_COMPLETE_DATA_LEN_SHORT;
						n_auto_repetitions = 1; // 1 frame
						auto_repetition_pause_len = 0;
						repeat_frame_pause_len = RC6_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_36_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_RC6A_PROTOCOL == 1
					case IRMP_RC6A_PROTOCOL:
					{
						startbit_pulse_len = RC6_START_BIT_PULSE_LEN;
						startbit_pause_len = RC6_START_BIT_PAUSE_LEN - 1;
						pulse_len = RC6_BIT_LEN;
						pause_len = RC6_BIT_LEN;
						has_stop_bit = RC6_STOP_BIT;
						complete_data_len = RC6_COMPLETE_DATA_LEN_LONG;
						n_auto_repetitions = 1; // 1 frame
						auto_repetition_pause_len = 0;
						repeat_frame_pause_len = RC6_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_36_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_DENON_PROTOCOL == 1
					case IRMP_DENON_PROTOCOL:
					{
						startbit_pulse_len = 0x00;
						startbit_pause_len = 0x00;
						pulse_1_len = DENON_PULSE_LEN;
						pause_1_len = DENON_1_PAUSE_LEN - 1;
						pulse_0_len = DENON_PULSE_LEN;
						pause_0_len = DENON_0_PAUSE_LEN - 1;
						has_stop_bit = DENON_STOP_BIT;
						complete_data_len = DENON_COMPLETE_DATA_LEN;
						n_auto_repetitions = DENON_FRAMES; // 2 frames, 2nd with inverted command
						auto_repetition_pause_len = DENON_AUTO_REPETITION_PAUSE_LEN;// 65 ms pause after 1st frame
						repeat_frame_pause_len = DENON_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_36_KHZ);// in theory 32kHz, in practice 36kHz is better
						break;
					}
#endif
#if IRSND_SUPPORT_THOMSON_PROTOCOL == 1
					case IRMP_THOMSON_PROTOCOL:
					{
						startbit_pulse_len = 0x00;
						startbit_pause_len = 0x00;
						pulse_1_len = THOMSON_PULSE_LEN;
						pause_1_len = THOMSON_1_PAUSE_LEN - 1;
						pulse_0_len = THOMSON_PULSE_LEN;
						pause_0_len = THOMSON_0_PAUSE_LEN - 1;
						has_stop_bit = THOMSON_STOP_BIT;
						complete_data_len = THOMSON_COMPLETE_DATA_LEN;
						n_auto_repetitions = THOMSON_FRAMES; // only 1 frame
						auto_repetition_pause_len = THOMSON_AUTO_REPETITION_PAUSE_LEN;
						repeat_frame_pause_len = DENON_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_38_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_NUBERT_PROTOCOL == 1
					case IRMP_NUBERT_PROTOCOL:
					{
						startbit_pulse_len = NUBERT_START_BIT_PULSE_LEN;
						startbit_pause_len = NUBERT_START_BIT_PAUSE_LEN - 1;
						pulse_1_len = NUBERT_1_PULSE_LEN;
						pause_1_len = NUBERT_1_PAUSE_LEN - 1;
						pulse_0_len = NUBERT_0_PULSE_LEN;
						pause_0_len = NUBERT_0_PAUSE_LEN - 1;
						has_stop_bit = NUBERT_STOP_BIT;
						complete_data_len = NUBERT_COMPLETE_DATA_LEN;
						n_auto_repetitions = NUBERT_FRAMES; // 2 frames
						auto_repetition_pause_len = NUBERT_AUTO_REPETITION_PAUSE_LEN;// 35 ms pause
						repeat_frame_pause_len = NUBERT_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_36_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_BANG_OLUFSEN_PROTOCOL == 1
					case IRMP_BANG_OLUFSEN_PROTOCOL:
					{
						startbit_pulse_len = BANG_OLUFSEN_START_BIT1_PULSE_LEN;
						startbit_pause_len = BANG_OLUFSEN_START_BIT1_PAUSE_LEN - 1;
						pulse_1_len = BANG_OLUFSEN_PULSE_LEN;
						pause_1_len = BANG_OLUFSEN_1_PAUSE_LEN - 1;
						pulse_0_len = BANG_OLUFSEN_PULSE_LEN;
						pause_0_len = BANG_OLUFSEN_0_PAUSE_LEN - 1;
						has_stop_bit = BANG_OLUFSEN_STOP_BIT;
						complete_data_len = BANG_OLUFSEN_COMPLETE_DATA_LEN;
						n_auto_repetitions = 1; // 1 frame
						auto_repetition_pause_len = 0;
						repeat_frame_pause_len = BANG_OLUFSEN_FRAME_REPEAT_PAUSE_LEN;
						last_bit_value = 0;
						irsnd_set_freq (IRSND_FREQ_455_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_GRUNDIG_PROTOCOL == 1
					case IRMP_GRUNDIG_PROTOCOL:
					{
						startbit_pulse_len = GRUNDIG_NOKIA_IR60_BIT_LEN;
						startbit_pause_len = GRUNDIG_NOKIA_IR60_PRE_PAUSE_LEN - 1;
						pulse_len = GRUNDIG_NOKIA_IR60_BIT_LEN;
						pause_len = GRUNDIG_NOKIA_IR60_BIT_LEN;
						has_stop_bit = GRUNDIG_NOKIA_IR60_STOP_BIT;
						complete_data_len = GRUNDIG_COMPLETE_DATA_LEN;
						n_auto_repetitions = GRUNDIG_FRAMES; // 2 frames
						auto_repetition_pause_len = GRUNDIG_AUTO_REPETITION_PAUSE_LEN;// 20m sec pause
						repeat_frame_pause_len = GRUNDIG_NOKIA_IR60_FRAME_REPEAT_PAUSE_LEN;// 117 msec pause
						irsnd_set_freq (IRSND_FREQ_38_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_IR60_PROTOCOL == 1
					case IRMP_IR60_PROTOCOL:
					{
						startbit_pulse_len = GRUNDIG_NOKIA_IR60_BIT_LEN;
						startbit_pause_len = GRUNDIG_NOKIA_IR60_PRE_PAUSE_LEN - 1;
						pulse_len = GRUNDIG_NOKIA_IR60_BIT_LEN;
						pause_len = GRUNDIG_NOKIA_IR60_BIT_LEN;
						has_stop_bit = GRUNDIG_NOKIA_IR60_STOP_BIT;
						complete_data_len = IR60_COMPLETE_DATA_LEN;
						n_auto_repetitions = IR60_FRAMES; // 2 frames
						auto_repetition_pause_len = IR60_AUTO_REPETITION_PAUSE_LEN;// 20m sec pause
						repeat_frame_pause_len = GRUNDIG_NOKIA_IR60_FRAME_REPEAT_PAUSE_LEN;// 117 msec pause
						irsnd_set_freq (IRSND_FREQ_30_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_NOKIA_PROTOCOL == 1
					case IRMP_NOKIA_PROTOCOL:
					{
						startbit_pulse_len = GRUNDIG_NOKIA_IR60_BIT_LEN;
						startbit_pause_len = GRUNDIG_NOKIA_IR60_PRE_PAUSE_LEN - 1;
						pulse_len = GRUNDIG_NOKIA_IR60_BIT_LEN;
						pause_len = GRUNDIG_NOKIA_IR60_BIT_LEN;
						has_stop_bit = GRUNDIG_NOKIA_IR60_STOP_BIT;
						complete_data_len = NOKIA_COMPLETE_DATA_LEN;
						n_auto_repetitions = NOKIA_FRAMES; // 2 frames
						auto_repetition_pause_len = NOKIA_AUTO_REPETITION_PAUSE_LEN;// 20 msec pause
						repeat_frame_pause_len = GRUNDIG_NOKIA_IR60_FRAME_REPEAT_PAUSE_LEN;// 117 msec pause
						irsnd_set_freq (IRSND_FREQ_38_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_SIEMENS_PROTOCOL == 1
					case IRMP_SIEMENS_PROTOCOL:
					{
						startbit_pulse_len = SIEMENS_BIT_LEN;
						startbit_pause_len = SIEMENS_BIT_LEN;
						pulse_len = SIEMENS_BIT_LEN;
						pause_len = SIEMENS_BIT_LEN;
						has_stop_bit = SIEMENS_OR_RUWIDO_STOP_BIT;
						complete_data_len = SIEMENS_COMPLETE_DATA_LEN - 1;
						n_auto_repetitions = 1; // 1 frame
						auto_repetition_pause_len = 0;
						repeat_frame_pause_len = SIEMENS_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_36_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_FDC_PROTOCOL == 1
					case IRMP_FDC_PROTOCOL:
					{
						startbit_pulse_len = FDC_START_BIT_PULSE_LEN;
						startbit_pause_len = FDC_START_BIT_PAUSE_LEN - 1;
						complete_data_len = FDC_COMPLETE_DATA_LEN;
						pulse_1_len = FDC_PULSE_LEN;
						pause_1_len = FDC_1_PAUSE_LEN - 1;
						pulse_0_len = FDC_PULSE_LEN;
						pause_0_len = FDC_0_PAUSE_LEN - 1;
						has_stop_bit = FDC_STOP_BIT;
						n_auto_repetitions = 1; // 1 frame
						auto_repetition_pause_len = 0;
						repeat_frame_pause_len = FDC_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_38_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_RCCAR_PROTOCOL == 1
					case IRMP_RCCAR_PROTOCOL:
					{
						startbit_pulse_len = RCCAR_START_BIT_PULSE_LEN;
						startbit_pause_len = RCCAR_START_BIT_PAUSE_LEN - 1;
						complete_data_len = RCCAR_COMPLETE_DATA_LEN;
						pulse_1_len = RCCAR_PULSE_LEN;
						pause_1_len = RCCAR_1_PAUSE_LEN - 1;
						pulse_0_len = RCCAR_PULSE_LEN;
						pause_0_len = RCCAR_0_PAUSE_LEN - 1;
						has_stop_bit = RCCAR_STOP_BIT;
						n_auto_repetitions = 1; // 1 frame
						auto_repetition_pause_len = 0;
						repeat_frame_pause_len = RCCAR_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_38_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_JVC_PROTOCOL == 1
					case IRMP_JVC_PROTOCOL:
					{
						if (repeat_counter != 0) // skip start bit if repetition frame
						{
							current_bit = 0;
						}

						startbit_pulse_len = JVC_START_BIT_PULSE_LEN;
						startbit_pause_len = JVC_START_BIT_PAUSE_LEN - 1;
						complete_data_len = JVC_COMPLETE_DATA_LEN;
						pulse_1_len = JVC_PULSE_LEN;
						pause_1_len = JVC_1_PAUSE_LEN - 1;
						pulse_0_len = JVC_PULSE_LEN;
						pause_0_len = JVC_0_PAUSE_LEN - 1;
						has_stop_bit = JVC_STOP_BIT;
						n_auto_repetitions = 1; // 1 frame
						auto_repetition_pause_len = 0;
						repeat_frame_pause_len = JVC_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_38_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_NIKON_PROTOCOL == 1
					case IRMP_NIKON_PROTOCOL:
					{
						startbit_pulse_len = NIKON_START_BIT_PULSE_LEN;
						startbit_pause_len = NIKON_START_BIT_PAUSE_LEN;
						complete_data_len = NIKON_COMPLETE_DATA_LEN;
						pulse_1_len = NIKON_PULSE_LEN;
						pause_1_len = NIKON_1_PAUSE_LEN - 1;
						pulse_0_len = NIKON_PULSE_LEN;
						pause_0_len = NIKON_0_PAUSE_LEN - 1;
						has_stop_bit = NIKON_STOP_BIT;
						n_auto_repetitions = 1; // 1 frame
						auto_repetition_pause_len = 0;
						repeat_frame_pause_len = NIKON_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_38_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_LEGO_PROTOCOL == 1
					case IRMP_LEGO_PROTOCOL:
					{
						startbit_pulse_len = LEGO_START_BIT_PULSE_LEN;
						startbit_pause_len = LEGO_START_BIT_PAUSE_LEN - 1;
						complete_data_len = LEGO_COMPLETE_DATA_LEN;
						pulse_1_len = LEGO_PULSE_LEN;
						pause_1_len = LEGO_1_PAUSE_LEN - 1;
						pulse_0_len = LEGO_PULSE_LEN;
						pause_0_len = LEGO_0_PAUSE_LEN - 1;
						has_stop_bit = LEGO_STOP_BIT;
						n_auto_repetitions = 1; // 1 frame
						auto_repetition_pause_len = 0;
						repeat_frame_pause_len = LEGO_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_38_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_A1TVBOX_PROTOCOL == 1
					case IRMP_A1TVBOX_PROTOCOL:
					{
						startbit_pulse_len = A1TVBOX_BIT_PULSE_LEN; // don't use A1TVBOX_START_BIT_PULSE_LEN
						startbit_pause_len = A1TVBOX_BIT_PAUSE_LEN;// don't use A1TVBOX_START_BIT_PAUSE_LEN
						pulse_len = A1TVBOX_BIT_PULSE_LEN;
						pause_len = A1TVBOX_BIT_PAUSE_LEN;
						has_stop_bit = A1TVBOX_STOP_BIT;
						complete_data_len = A1TVBOX_COMPLETE_DATA_LEN + 1;// we send stop bit as data
						n_auto_repetitions = 1;// 1 frame
						auto_repetition_pause_len = 0;
						repeat_frame_pause_len = A1TVBOX_FRAME_REPEAT_PAUSE_LEN;
						irsnd_set_freq (IRSND_FREQ_38_KHZ);
						break;
					}
#endif
#if IRSND_SUPPORT_IHELICOPTER_PROTOCOL == 1
				case IRMP_IHELICOPTER_PROTOCOL: {
					current_bit = 0 - IHELICOPTER_START_BITS_NUMBER; //0xFE												// 2 Start bits
					startbit_pulse_len = IHELICOPTER_START_BIT_PULSE_LEN;
					startbit_pause_len = IHELICOPTER_START_BIT_PAUSE_LEN - 1;
					pulse_1_len = IHELICOPTER_1_PULSE_LEN;
					pause_1_len = IHELICOPTER_1_PAUSE_LEN - 1; // since real pause is (pause_1_len + 1)
					pulse_0_len = IHELICOPTER_0_PULSE_LEN;
					pause_0_len = IHELICOPTER_0_PAUSE_LEN - 1; // since real pause is (pause_1_len + 1)
					has_stop_bit = IHELICOPTER_STOP_BIT;
					complete_data_len = IHELICOPTER_COMPLETE_DATA_LEN;
					n_auto_repetitions = 1; // 1 frame
					irsnd_set_freq(IRSND_FREQ_38_KHZ);
					irsnd_busy = TRUE;
					break;
				}
#endif
				default: {
					irsnd_busy = FALSE;
					break;
				}
				}
			}
		}

		if (irsnd_busy) {
			new_frame = FALSE;

			switch (irsnd_protocol) {
#if IRSND_SUPPORT_SIRCS_PROTOCOL == 1
			case IRMP_SIRCS_PROTOCOL:
#endif
#if IRSND_SUPPORT_NEC_PROTOCOL == 1
			case IRMP_NEC_PROTOCOL:
#endif
#if IRSND_SUPPORT_NEC16_PROTOCOL == 1
				case IRMP_NEC16_PROTOCOL:
#endif
#if IRSND_SUPPORT_NEC42_PROTOCOL == 1
				case IRMP_NEC42_PROTOCOL:
#endif
#if IRSND_SUPPORT_SAMSUNG_PROTOCOL == 1
				case IRMP_SAMSUNG_PROTOCOL:
				case IRMP_SAMSUNG32_PROTOCOL:
#endif
#if IRSND_SUPPORT_MATSUSHITA_PROTOCOL == 1
				case IRMP_MATSUSHITA_PROTOCOL:
#endif
#if IRSND_SUPPORT_KASEIKYO_PROTOCOL == 1
				case IRMP_KASEIKYO_PROTOCOL:
#endif
#if IRSND_SUPPORT_RECS80_PROTOCOL == 1
				case IRMP_RECS80_PROTOCOL:
#endif
#if IRSND_SUPPORT_RECS80EXT_PROTOCOL == 1
				case IRMP_RECS80EXT_PROTOCOL:
#endif
#if IRSND_SUPPORT_DENON_PROTOCOL == 1
				case IRMP_DENON_PROTOCOL:
#endif
#if IRSND_SUPPORT_THOMSON_PROTOCOL == 1
				case IRMP_THOMSON_PROTOCOL:
#endif
#if IRSND_SUPPORT_NUBERT_PROTOCOL == 1
				case IRMP_NUBERT_PROTOCOL:
#endif
#if IRSND_SUPPORT_BANG_OLUFSEN_PROTOCOL == 1
				case IRMP_BANG_OLUFSEN_PROTOCOL:
#endif
#if IRSND_SUPPORT_FDC_PROTOCOL == 1
				case IRMP_FDC_PROTOCOL:
#endif
#if IRSND_SUPPORT_RCCAR_PROTOCOL == 1
				case IRMP_RCCAR_PROTOCOL:
#endif
#if IRSND_SUPPORT_JVC_PROTOCOL == 1
				case IRMP_JVC_PROTOCOL:
#endif
#if IRSND_SUPPORT_NIKON_PROTOCOL == 1
				case IRMP_NIKON_PROTOCOL:
#endif
#if IRSND_SUPPORT_LEGO_PROTOCOL == 1
				case IRMP_LEGO_PROTOCOL:
#endif
#if IRSND_SUPPORT_IHELICOPTER_PROTOCOL == 1
			case IRMP_IHELICOPTER_PROTOCOL:
#endif

#if IRSND_SUPPORT_SIRCS_PROTOCOL == 1  || IRSND_SUPPORT_NEC_PROTOCOL == 1 || IRSND_SUPPORT_NEC16_PROTOCOL == 1 || IRSND_SUPPORT_NEC42_PROTOCOL == 1 || \
    IRSND_SUPPORT_SAMSUNG_PROTOCOL == 1 || IRSND_SUPPORT_MATSUSHITA_PROTOCOL == 1 ||   \
    IRSND_SUPPORT_KASEIKYO_PROTOCOL == 1 || IRSND_SUPPORT_RECS80_PROTOCOL == 1 || IRSND_SUPPORT_RECS80EXT_PROTOCOL == 1 || IRSND_SUPPORT_DENON_PROTOCOL == 1 || \
    IRSND_SUPPORT_NUBERT_PROTOCOL == 1 || IRSND_SUPPORT_BANG_OLUFSEN_PROTOCOL == 1 || IRSND_SUPPORT_FDC_PROTOCOL == 1 || IRSND_SUPPORT_RCCAR_PROTOCOL == 1 ||   \
    IRSND_SUPPORT_JVC_PROTOCOL == 1 || IRSND_SUPPORT_NIKON_PROTOCOL == 1 || IRSND_SUPPORT_LEGO_PROTOCOL == 1 || IRSND_SUPPORT_THOMSON_PROTOCOL == 1 || IRSND_SUPPORT_IHELICOPTER_PROTOCOL
			{
#if IRSND_SUPPORT_DENON_PROTOCOL == 1
				if (irsnd_protocol == IRMP_DENON_PROTOCOL)
				{
					if (auto_repetition_pause_len > 0) // 2nd frame distance counts from beginning of 1st frame!
					{
						auto_repetition_pause_len--;
					}

					if (repeat_frame_pause_len > 0) // frame repeat distance counts from beginning of 1st frame!
					{
						repeat_frame_pause_len--;
					}
				}
#endif

				if (pulse_counter == 0) // start of next bit
						{
					if (current_bit > 0xF0) // send start bit(s)
							{
						pulse_len = startbit_pulse_len;
						pause_len = startbit_pause_len;
					} else if (current_bit < complete_data_len) // send n'th bit
							{
#if IRSND_SUPPORT_SAMSUNG_PROTOCOL == 1
						if (irsnd_protocol == IRMP_SAMSUNG_PROTOCOL)
						{
							if (current_bit < SAMSUNG_ADDRESS_LEN) // send address bits
							{
								pulse_len = SAMSUNG_PULSE_LEN;
								pause_len = (irsnd_buffer[current_bit / 8] & (1<<(7-(current_bit % 8)))) ?
								(SAMSUNG_1_PAUSE_LEN - 1) : (SAMSUNG_0_PAUSE_LEN - 1);
							}
							else if (current_bit == SAMSUNG_ADDRESS_LEN) // send SYNC bit (16th bit)
							{
								pulse_len = SAMSUNG_PULSE_LEN;
								pause_len = SAMSUNG_START_BIT_PAUSE_LEN - 1;
							}
							else if (current_bit < SAMSUNG_COMPLETE_DATA_LEN) // send n'th bit
							{
								uint8_t cur_bit = current_bit - 1; // sync skipped, offset = -1 !

								pulse_len = SAMSUNG_PULSE_LEN;
								pause_len = (irsnd_buffer[cur_bit / 8] & (1<<(7-(cur_bit % 8)))) ?
								(SAMSUNG_1_PAUSE_LEN - 1) : (SAMSUNG_0_PAUSE_LEN - 1);
							}
						}
						else
#endif

#if IRSND_SUPPORT_NEC16_PROTOCOL == 1
						if (irsnd_protocol == IRMP_NEC16_PROTOCOL)
						{
							if (current_bit < NEC16_ADDRESS_LEN) // send address bits
							{
								pulse_len = NEC_PULSE_LEN;
								pause_len = (irsnd_buffer[current_bit / 8] & (1<<(7-(current_bit % 8)))) ?
								(NEC_1_PAUSE_LEN - 1) : (NEC_0_PAUSE_LEN - 1);
							}
							else if (current_bit == NEC16_ADDRESS_LEN) // send SYNC bit (8th bit)
							{
								pulse_len = NEC_PULSE_LEN;
								pause_len = NEC_START_BIT_PAUSE_LEN - 1;
							}
							else if (current_bit < NEC16_COMPLETE_DATA_LEN + 1) // send n'th bit
							{
								uint8_t cur_bit = current_bit - 1; // sync skipped, offset = -1 !

								pulse_len = NEC_PULSE_LEN;
								pause_len = (irsnd_buffer[cur_bit / 8] & (1<<(7-(cur_bit % 8)))) ?
								(NEC_1_PAUSE_LEN - 1) : (NEC_0_PAUSE_LEN - 1);
							}
						}
						else
#endif

#if IRSND_SUPPORT_BANG_OLUFSEN_PROTOCOL == 1
						if (irsnd_protocol == IRMP_BANG_OLUFSEN_PROTOCOL)
						{
							if (current_bit == 0) // send 2nd start bit
							{
								pulse_len = BANG_OLUFSEN_START_BIT2_PULSE_LEN;
								pause_len = BANG_OLUFSEN_START_BIT2_PAUSE_LEN - 1;
							}
							else if (current_bit == 1) // send 3rd start bit
							{
								pulse_len = BANG_OLUFSEN_START_BIT3_PULSE_LEN;
								pause_len = BANG_OLUFSEN_START_BIT3_PAUSE_LEN - 1;
							}
							else if (current_bit == 2) // send 4th start bit
							{
								pulse_len = BANG_OLUFSEN_START_BIT2_PULSE_LEN;
								pause_len = BANG_OLUFSEN_START_BIT2_PAUSE_LEN - 1;
							}
							else if (current_bit == 19) // send trailer bit
							{
								pulse_len = BANG_OLUFSEN_PULSE_LEN;
								pause_len = BANG_OLUFSEN_TRAILER_BIT_PAUSE_LEN - 1;
							}
							else if (current_bit < BANG_OLUFSEN_COMPLETE_DATA_LEN) // send n'th bit
							{
								uint8_t cur_bit_value = (irsnd_buffer[current_bit / 8] & (1<<(7-(current_bit % 8)))) ? 1 : 0;
								pulse_len = BANG_OLUFSEN_PULSE_LEN;

								if (cur_bit_value == last_bit_value)
								{
									pause_len = BANG_OLUFSEN_R_PAUSE_LEN - 1;
								}
								else
								{
									pause_len = cur_bit_value ? (BANG_OLUFSEN_1_PAUSE_LEN - 1) : (BANG_OLUFSEN_0_PAUSE_LEN - 1);
									last_bit_value = cur_bit_value;
								}
							}
						}
						else
#endif
						if (irsnd_buffer[current_bit / 8] & (1 << (7 - (current_bit % 8)))) // check if next bit is 0 or 1 - from MSB -> LSB
								{
							pulse_len = pulse_1_len;
							pause_len = pause_1_len;
						} else {
							pulse_len = pulse_0_len;
							pause_len = pause_0_len;
						}
					} else if (has_stop_bit)                         // send stop bit
					{
#if IRSND_SUPPORT_IHELICOPTER_PROTOCOL == 1
                        pulse_len = pulse_1_len;
#else
						pulse_len = pulse_0_len;
#endif

						if (auto_repetition_counter < n_auto_repetitions) {
							pause_len = pause_0_len;
						} else {
							pause_len = 255;                        // last frame: pause of 255
						}
					}
				}

				if (pulse_counter < pulse_len) {
					if (pulse_counter == 0) {
						irsnd_on();                                 // ON pulse for pulse_len cycles
					}
					pulse_counter++;
				} else if (pause_counter < pause_len) {
					if (pause_counter == 0) {
						irsnd_off();
						printf(" %d-%d", pulse_len, (pause_len+1));
					}
					pause_counter++;
				} else {
					current_bit++;                                  // pause just ended

					if (current_bit < 0xF0 && current_bit >= (complete_data_len + has_stop_bit)) {
					                                                // Frame just ended
						current_bit = 0 - IHELICOPTER_START_BITS_NUMBER; //0xFE												// 2 Start bits
//                            current_bit = 0xFF;
						auto_repetition_counter++;

						if (auto_repetition_counter == n_auto_repetitions) {
							irsnd_busy = FALSE;
							auto_repetition_counter = 0;
						}
						new_frame = TRUE;
						printf(" end\n");
					}

					pulse_counter = 0;
					pause_counter = 0;
				}
				break;
			}
#endif

#if IRSND_SUPPORT_RC5_PROTOCOL == 1
				case IRMP_RC5_PROTOCOL:
#endif
#if IRSND_SUPPORT_RC6_PROTOCOL == 1
				case IRMP_RC6_PROTOCOL:
#endif
#if IRSND_SUPPORT_RC6A_PROTOCOL == 1
				case IRMP_RC6A_PROTOCOL:
#endif
#if IRSND_SUPPORT_SIEMENS_PROTOCOL == 1
				case IRMP_SIEMENS_PROTOCOL:
#endif
#if IRSND_SUPPORT_GRUNDIG_PROTOCOL == 1
				case IRMP_GRUNDIG_PROTOCOL:
#endif
#if IRSND_SUPPORT_IR60_PROTOCOL == 1
				case IRMP_IR60_PROTOCOL:
#endif
#if IRSND_SUPPORT_NOKIA_PROTOCOL == 1
				case IRMP_NOKIA_PROTOCOL:
#endif
#if IRSND_SUPPORT_A1TVBOX_PROTOCOL == 1
				case IRMP_A1TVBOX_PROTOCOL:
#endif

#if IRSND_SUPPORT_RC5_PROTOCOL == 1 || IRSND_SUPPORT_RC6_PROTOCOL == 1 || IRSND_SUPPORT_RC6A_PROTOCOL == 1 || IRSND_SUPPORT_SIEMENS_PROTOCOL == 1 || \
    IRSND_SUPPORT_GRUNDIG_PROTOCOL == 1 || IRSND_SUPPORT_IR60_PROTOCOL == 1 || IRSND_SUPPORT_NOKIA_PROTOCOL == 1 || IRSND_SUPPORT_A1TVBOX_PROTOCOL == 1
				{
					if (pulse_counter == pulse_len && pause_counter == pause_len)
					{
						current_bit++;

						if (current_bit >= complete_data_len)
						{
							current_bit = 0xFF;

#if IRSND_SUPPORT_GRUNDIG_PROTOCOL == 1 || IRSND_SUPPORT_IR60_PROTOCOL == 1 || IRSND_SUPPORT_NOKIA_PROTOCOL == 1
							if (irsnd_protocol == IRMP_GRUNDIG_PROTOCOL || irsnd_protocol == IRMP_IR60_PROTOCOL || irsnd_protocol == IRMP_NOKIA_PROTOCOL)
							{
								auto_repetition_counter++;

								if (repeat_counter > 0)
								{ // set 117 msec pause time
									auto_repetition_pause_len = GRUNDIG_NOKIA_IR60_FRAME_REPEAT_PAUSE_LEN;
								}

								if (repeat_counter < n_repeat_frames) // tricky: repeat n info frames per auto repetition before sending last stop frame
								{
									n_auto_repetitions++; // increment number of auto repetitions
									repeat_counter++;
								}
								else if (auto_repetition_counter == n_auto_repetitions)
								{
									irsnd_busy = FALSE;
									auto_repetition_counter = 0;
								}
							}
							else
#endif
							{
								irsnd_busy = FALSE;
							}

							new_frame = TRUE;
							irsnd_off ();
						}

						pulse_counter = 0;
						pause_counter = 0;
					}

					if (! new_frame)
					{
						uint8_t first_pulse;

#if IRSND_SUPPORT_GRUNDIG_PROTOCOL == 1 || IRSND_SUPPORT_IR60_PROTOCOL == 1 || IRSND_SUPPORT_NOKIA_PROTOCOL == 1
						if (irsnd_protocol == IRMP_GRUNDIG_PROTOCOL || irsnd_protocol == IRMP_IR60_PROTOCOL || irsnd_protocol == IRMP_NOKIA_PROTOCOL)
						{
							if (current_bit == 0xFF || // start bit of start-frame
									(irsnd_protocol == IRMP_GRUNDIG_PROTOCOL && current_bit == 15) ||// start bit of info-frame (Grundig)
									(irsnd_protocol == IRMP_IR60_PROTOCOL && current_bit == 7) ||// start bit of data frame (IR60)
									(irsnd_protocol == IRMP_NOKIA_PROTOCOL && (current_bit == 23 || current_bit == 47)))// start bit of info- or stop-frame (Nokia)
							{
								pulse_len = startbit_pulse_len;
								pause_len = startbit_pause_len;
								first_pulse = TRUE;
							}
							else // send n'th bit
							{
								pulse_len = GRUNDIG_NOKIA_IR60_BIT_LEN;
								pause_len = GRUNDIG_NOKIA_IR60_BIT_LEN;
								first_pulse = (irsnd_buffer[current_bit / 8] & (1<<(7-(current_bit % 8)))) ? TRUE : FALSE;
							}
						}
						else // if (irsnd_protocol == IRMP_RC5_PROTOCOL || irsnd_protocol == IRMP_RC6_PROTOCOL || irsnd_protocol == IRMP_RC6A_PROTOCOL ||
							 //     irsnd_protocol == IRMP_SIEMENS_PROTOCOL)
#endif
						{
							if (current_bit == 0xFF) // 1 start bit
							{
#if IRSND_SUPPORT_RC6_PROTOCOL == 1 || IRSND_SUPPORT_RC6A_PROTOCOL == 1
								if (irsnd_protocol == IRMP_RC6_PROTOCOL || irsnd_protocol == IRMP_RC6A_PROTOCOL)
								{
									pulse_len = startbit_pulse_len;
									pause_len = startbit_pause_len;
								}
								else
#endif
#if IRSND_SUPPORT_A1TVBOX_PROTOCOL == 1
								if (irsnd_protocol == IRMP_A1TVBOX_PROTOCOL)
								{
									current_bit = 0;
								}
								else
#endif
								{
									;
								}

								first_pulse = TRUE;
							}
							else // send n'th bit
							{
#if IRSND_SUPPORT_RC6_PROTOCOL == 1 || IRSND_SUPPORT_RC6A_PROTOCOL == 1
								if (irsnd_protocol == IRMP_RC6_PROTOCOL || irsnd_protocol == IRMP_RC6A_PROTOCOL)
								{
									pulse_len = RC6_BIT_LEN;
									pause_len = RC6_BIT_LEN;

									if (irsnd_protocol == IRMP_RC6_PROTOCOL)
									{
										if (current_bit == 4) // toggle bit (double len)
										{
											pulse_len = 2 * RC6_BIT_LEN;
											pause_len = 2 * RC6_BIT_LEN;
										}
									}
									else // if (irsnd_protocol == IRMP_RC6A_PROTOCOL)
									{
										if (current_bit == 4) // toggle bit (double len)
										{
											pulse_len = 2 * RC6_BIT_LEN + RC6_BIT_LEN; // hack!
											pause_len = 2 * RC6_BIT_LEN;
										}
										else if (current_bit == 5) // toggle bit (double len)
										{
											pause_len = 2 * RC6_BIT_LEN;
										}
									}
								}
#endif
								first_pulse = (irsnd_buffer[current_bit / 8] & (1<<(7-(current_bit % 8)))) ? TRUE : FALSE;
							}

							if (irsnd_protocol == IRMP_RC5_PROTOCOL)
							{
								first_pulse = first_pulse ? FALSE : TRUE;
							}
						}

						if (first_pulse)
						{
							// printf ("first_pulse: current_bit: %d  %d < %d  %d < %d\n", current_bit, pause_counter, pause_len, pulse_counter, pulse_len);

							if (pulse_counter < pulse_len)
							{
								if (pulse_counter == 0)
								{
									irsnd_on ();
								}
								pulse_counter++;
							}
							else // if (pause_counter < pause_len)
							{
								if (pause_counter == 0)
								{
									irsnd_off ();
								}
								pause_counter++;
							}
						}
						else
						{
							// printf ("first_pause: current_bit: %d  %d < %d  %d < %d\n", current_bit, pause_counter, pause_len, pulse_counter, pulse_len);

							if (pause_counter < pause_len)
							{
								if (pause_counter == 0)
								{
									irsnd_off ();
								}
								pause_counter++;
							}
							else // if (pulse_counter < pulse_len)
							{
								if (pulse_counter == 0)
								{
									irsnd_on ();
								}
								pulse_counter++;
							}
						}
					}
					break;
				}
#endif // IRSND_SUPPORT_RC5_PROTOCOL == 1 || IRSND_SUPPORT_RC6_PROTOCOL == 1 || || IRSND_SUPPORT_RC6A_PROTOCOL == 1 || IRSND_SUPPORT_SIEMENS_PROTOCOL == 1 ||
				// IRSND_SUPPORT_GRUNDIG_PROTOCOL == 1 || IRSND_SUPPORT_IR60_PROTOCOL == 1 || IRSND_SUPPORT_NOKIA_PROTOCOL == 1

			default: {
				irsnd_busy = FALSE;
				break;
			}
			}
		}

		if (!irsnd_busy) {
			if (repeat_counter < n_repeat_frames) {
#if IRSND_SUPPORT_FDC_PROTOCOL == 1
				if (irsnd_protocol == IRMP_FDC_PROTOCOL)
				{
					irsnd_buffer[2] |= 0x0F;
				}
#endif
				repeat_counter++;
				irsnd_busy = TRUE;
			} else {
				irsnd_busy = TRUE; //Rainer
				send_trailer = TRUE;
				n_repeat_frames = 0;
				repeat_counter = 0;
			}
		}
	}

#ifdef DEBUG
	if (irsnd_is_on)
	{
		putchar ('0');
	}
	else
	{
		putchar ('1');
	}
#endif

	return irsnd_busy;
}

#ifdef DEBUG

// main function - for unix/linux + windows only!
// AVR: see main.c!
// Compile it under linux with:
// cc irsnd.c -o irsnd
//
// usage: ./irsnd protocol hex-address hex-command >filename

int
main (int argc, char ** argv)
{
	int protocol;
	int address;
	int command;
	IRMP_DATA irmp_data;

	if (argc != 4 && argc != 5)
	{
		fprintf (stderr, "usage: %s protocol hex-address hex-command [repeat] > filename\n", argv[0]);
		return 1;
	}

	if (sscanf (argv[1], "%d", &protocol) == 1 &&
			sscanf (argv[2], "%x", &address) == 1 &&
			sscanf (argv[3], "%x", &command) == 1)
	{
		irmp_data.protocol = protocol;
		irmp_data.address = address;
		irmp_data.command = command;

		if (argc == 5)
		{
			irmp_data.flags = atoi (argv[4]);
		}
		else
		{
			irmp_data.flags = 0;
		}

		irsnd_init ();

		(void) irsnd_send_data (&irmp_data, TRUE);

		while (irsnd_busy)
		{
			irsnd_ISR ();
		}

		putchar ('\n');

#if 1 // enable here to send twice
		(void) irsnd_send_data (&irmp_data, TRUE);

		while (irsnd_busy)
		{
			irsnd_ISR ();
		}

		putchar ('\n');
#endif
	}
	else
	{
		fprintf (stderr, "%s: wrong arguments\n", argv[0]);
		return 1;
	}
	return 0;
}

#endif // DEBUG
